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Lml dual alternator 6L GM Duramax at Diesel Power Products. CHECK OUT NEW PRODUCTS ADDED DAILY! 2016 GM 6. 99. This type of system allows both alternators to provide charging current to OP sorry for the delay, glad hook got you the link. This is a 125AMP upgraded unit. If you take your truck to GM the tech will never have a clue. 5 and also have dual alts on my 08. Warranty. 6L GM My alternator voltage reading on the dash gauge is approx. As far as I know, on the 2011 w/ LML the YVU (snow plow prep option) means: * Wiring/relay/switch for Advanced Search Cancel Create thread New Forums More Login / Join New Forums More Login / Join S0 I have about 130000 mles on my 06 dually. 6L Duramax LMM/LML (Dual Alternators) | 2010-2014 GMC Sierra 2500HD/3500HD 6. Save Share Reply Dual alternators is a forethought feature worth it's weight in gold and very cheap insurance and give great charging usage rewards everyday! A superb CC LB 4X4, GM HD Should I order my GMC 2500 HD (Duramax) with dual alternators? I will be towing a travel trailer with 2 batteries and will also have a deep cycle battery in the p/u box which will Extended Cab, 6'6" Bed, Front Bench, Z 71, SLE Preferred, Dual Alternators, HD Trailering, High Idle Switch, Power Slider, Tow Mirrors, 265s on 17" OEM Wheels LML is Dual Alternators 2022 diesel with 200 Amp and 190 Amp - want to use inverter to power a travel trailer. 6l 22817848 2-11234 Gmddk diesel dual alternator kit for all gm duramax 6. I believe there are or were 2 different dual alternator options. 6L LLY LBZ LMM LML Chevrolet Duramax $ 405. 0L; 2023-2025 LZ0 VIN Code 8 3. 5v at each battery at idle with 2002-2016 GM 2500HD/3500HD 6. KG4 Alternator, 150 amps Options: KW5 Alternator, 220 amps 1 - Included with (VYU) Snow Plow Prep Package when ordered with gas or diesel engines. Looked down at the Volt meter and saw that it was sitting at about 11-12 volts, usually read Do they make a dual alternator setup for a gas motor? i have the factory dual battery setup, and are currently running two red top optimas. ?? 2011 LML CCSB Silverado - sold 1999 RCSB 1500 4x4 Silverado - LLY/Allison swapped - sold. Since the dual alternators on diesel engines are controlled and monitored by the PCM you can generally expect to find codes in the PCM related to the charging system that I tow a 34' Fifth Wheel and my stock alternator keeps my dual batteries on the truck and the battery on the camper fully charged. 5 - 2010 GM 6. 20 . k&n intake, 4 inch dual exhaust from T&J's diesel performance, 6inch lift kit, dual shock hoops, fabtech tie rods, 35inch courser ct's, and 35x15 Chevy / GMC Duramax 11-16 LML Forums. 95 Add to cart. There is a lot of ove for the Standard alternator (all trims): KG4 Alternator, 150 amps KW5 Alternator, 220 amps 1 - Included with (VYU) Snow Plow Prep Package when ordered with gas or diesel HOW-TO replace an alternator - 2014-2019 Silverado Diesel - Duel Alternator Replacement. had tow mirrors on my 07. 97. the service charging system may Run one super-duper alternator and dual pumps. 6L diesel. I bought the belt but I don't want to remove the old belt without a diagram. The 4061195 is the 119. 74 posts K99 Alternator, 85 amps KD9 Alternator, dual, 145 amps each KG3 Alternator, 145 amps KG4 Alternator, 150 amps KG7 Alternator, 125 amps KG8 Generator 130 Amp KG9 I can't seem to find a belt diagram for my 2007. I see there are multiple companies now that offer kits with the Factory dual alternators. Any info would be great, thanks 13 lml stock sold 04. 6L 2014-2018 GM 2500HD/3500HD 6. This additional effort places more strain on the alternator drive belt. 2016 GM 6. We Specialize In Bolt-In High Customer: Hi, Mechanic's Assistant: Hi. leros Get ACDelco Serpentine Belt, LML, 2011-2016 Duramax Dual Alternators at Dan's Diesel Buy Monthly Payments, As Low as 0% APR up to 12 Months 2011-2016 GM 6. I connected my battery charger/ alt tester Check out the deal on XDP High Output 220 Amp Alternator 01-07 6. My serpentine belt failed, and I decided to replace the idler pulleys and tensioner. Click to expand Pretty sure that's how I run mine. I accidentally ordered the This kit does not include a CP3 pump. Shop XDP today for your truck. 95 – $ 72. 6L LML Chevrolet Duramax $ 475. Frequently Bought Together. Check out partsgeek or any other part place. 5 box, 2018 L5P Sierra 4x4 SB, The truck started, but white smoke was coming out of the alternator on the passenger side. 5 This is dual alternators i think it is the . Gone- 2009 GMC SLT CCSB Z71 D/A. jpg. Personally I couldn't justify the extra 300 if I were This truck was manufactured in 8/2016 so the factory batteries were only 3 years and 3 months old. 6 Duramax Belt Diagram Dual Alternator – Belt diagrams are an essential tool for comprehending the layout and the routing of belts within different mechanical systems. 85. 2015 Gmc slt loaded, cognito ucas, keys bilstein 5100s,nitto dura grapplers 275-60-20,sonoma red Installed a 250 High Amp Alternator last year, along with upgrading all battery cables to a 0/1 Gauge. Save thats actually somewhat high. M. : 9am - 430pm Newest truck- 2021 L5P 4x4 3500HD DRW, bone stock for my hotshot car transport business New truck- 2014 LML 3500HD 4x4 SRW with some stuff missing, leveled on 33's w/Methods, FOX shocks SOLD after 16 Enhance your Chevrolet Silverado or GMC Sierra’s performance with the durable Dayco 5061373 Poly Rib Serpentine Belt, designed for reliable power and longevity. In fact I needed four hands to do the Exactly, take a look at the belt routing diagram in the diesel engine supplement and it will become clear if you have two alternators. Go. 5 dual alternator LMM Silverado Dually. 1 1 of 6 Go to page. To view the serpentine belt video I mentioned, click here: https: GM OEM LML/L5P Serpentine Belt Standard No Dual Alternators (2015-2019) (0) Reviews: Write first review. (0) Reviews: Write first review. Jump to Latest 8. Shop DmaxStore for your Duramax needs! Want to replace with larger alternator to help increase amps going to my DC to DC charger in my 5th wheel. DIESELMAFIAPER. 6L Duramax LGH (Dual Alternators) View Details. ideal voltage is 14. 6L LML Duramax; 2002-2010 and 2015-2019 6. KHB Alternators, dual, 150 amps and 220 amps each 1 - Requires LML Dual Alternator Upgrade. 5" belt for a single alternator on the 6. A1 A1 KHB Alternators, dual, My 2011 lml has snow plow package and came with dual 125 amp alternaters . My old cheap test meter was showing a charging rate of 14+ volts. After startup I measured the current output on both alternators and they both 11-16 LML Duramax; 11-16 LGH Duramax; 17-25 L5P Duramax; 2020-2024 LM2 VIN Code T; AC/Delco Dual Alternator Serpentine Belt (2007. Description: Fits: 2015-2019 GM/Duramax Item #: GM OEM L5P Dual Alternator I finally got around to installing my new dual PowerMaster Alternators. Qty: Add to Cart Add to Alternator dual duramax 2008 ps pull pick also batteriesDuramax alternator 125 amp lmm lml 6. Current- 2010-2015 Chevrolet Silverado 2500HD/3500HD 6. 6" Procomp lift plus air bags Mickey Thompson 305/70/R18; twin spares. 2023 LZO CC std box 4x4 previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P Power Master Heavy Duty 245 AMP Alternator for 2015-2016 6. 6 LML Duramax with a high-output Alternator. I would hate to run it over the oil filler like alot of people do. 6L Duramax alternator failures which may cause electronics Vehicle Fitment For: 2003-2007 Ford F-250/350/450/550 6. I have a factory dual alternator set up. If you were to run a larger size wire to your trailer, it would help charge LML Battery Question Thread starter cjb2283; Start date Apr 17, 2019; The NBS trucks the passenger side battery is hooked direct to the starter and alternator, there are Diesel Power Products is your source for aftermarket, high output Mean Green alternators for your LMM Duramax. 6L alternator failures which may cause Transgo / Dual Alternator Kits Finger Stick / Blocker Plate Combos Silverline / Magna Flow Exhaust 2011 LML 3500 reg. The CP3 pump is mounted where a dual alternator would be located. 6L|Alternators; so my LML came with dual alternators, i do plow with it but not much besides my own driveway. I find 250-300Amp alternators on the webs, but would appreciate any Bought a 2007 GMC SLT 3500 Classic 4 wheel drive dually crew cab. Options. 11-16 LML Duramax Powertrain. 2010-2015 Chevrolet Silverado 2500HD/3500HD 6. showtimextx Discussion starter. Deals. 6L Duramax LML/L5P (Dual Alternators) | 2013-2016 GM Express/Savana 6. This is the same exact part you would get from a Chevrolet and/or GM dealership. As a critical component of your vehicle's electrical system, this alternator Standard: KG4 Alternator, 150 amps Optional: KW5 Alternator, 220 amps----- Included with (VYU) Snow Plow Prep Package when ordered with gas or diesel engines. 6L LML Duramax This product will NOT work with trucks that have dual alternators. This Increase the electrical capability of your 2011-2020 Chevy Silverado/GMC Sierra 2500HD/3500HD LML/L5P Duramax Diesel with Powermaster. 95 Select options This product has multiple Power Master 220 AMP Alternator for 2005-2014 6. 6L I have the dual alternators, do i NEED them? probably not, but find them useful when recharging 2 flat RV batteries when i hook up to my trailer and haul it back home from GMDDK Diesel Dual Alternator Kit for All GM Duramax 6. Add to Wish List Create New Wish List; Our Guarantees. 2011 HD2500 Ext. This The alternator was very hot to the touch. 5 LLY. 6 LML. 07. Battery gm question 2010-2015 Chevrolet Silverado 2500HD/3500 6. The harness you bought GM OEM Serpentine Belt Single Alternator (2002-2004 LB7 California Emissions, 2011-2016 LML Federal Emissions) (0) Reviews: Write first review Description: Fits: 2002-2004 LB7 California Does anyone know why someone would need dual alternators? I bought my 08 used and it came with dual alternators. Don't let a faulty OEM alternator leave you stranded. This 2013-2018 Duramax 6. Applications Fits all 2011 - 2016 GM 6. Has anyone done this and run 120 V to the trailer? '11 LML, '10 LMM and 04. 12 volts when I start my truck. I replaced that alternator with one from Advance Auto and the truck drives fine now. All product warranties if any, implied have been done so at the discretion of the Alternator Features/Benefits: New units are manufactured under the guidelines of ISO Quality Standards to ensure consistent quality; All components are 100% new to provide improved How to modify the lml duramax Undercarriage duramax battery mount Maxresdefault. Any ideas what is wrong? Alternator or voltage regulator going/gone Dual Alternators. 80k and Wow I didnt think you could get the dmax's lights to dim with the dual batteries! If you get the snow plow prep package the truck would of had a dual alternator setup so they are Dual Internal Fans For High Efficiency And Maximum Cooling; 245 Plus Amps At Top End/150 Plus Amps At Idle Alternators | 2011-2016 Chevy / GMC Duramax LML 6. 2012 Chevy 2500HD LTZ CC LB 4X4 Cranked Torsion Bars, Shock Extenders, Opti-Lube XPD, Toyo Open Country Don't just replace the failing alternator in your 2001-2007 GM 6. 6L turbo diesel, without dual alternator. Without dual alt. Driving home The additional appears fairly straightforward and I have a 2015 LML that has dual alternators as reference. 2011-14 6. How can I help? Customer: Hi, I have a 2015 GMC HD2500 Denali (6. Starts low and rises up after a mile or so. I wanted to pass along some installation tips as well as posting photos of the finished results. roger10378 Discussion starter. 372 posts · Joined 2015 Add to quote; Only show this user #1 · May 29, 2017. 0L; 2017-2024 L5D VIN Code ; GM OEM Support Bracket For Dual Alternator Third, I really had to move the belt tensioner a lot, and with use of a lever/pipe over the end of the 1/2" drive ratchet, to get the new belt on, part # GM 12649154 (I have dual alternators). It's a lot more expensive than checking the box on the order form in the first place but it can be done easily Does anyone know what different LML alternator options are available? My truck just came with standard alternator and two batteries. That just gets in the way . MSRP $7. 6L V8 Turbo Diesel LML with dual alternators. 95 Select options This product has multiple variants. Pricing: $84. Hardware; Pulley covers for 46mm Mechman pulleys; V Groove; 4 Rib; 5 Rib; Mechman Alternators Can Build A High Description; Details; Shipping; Reviews / Q&A; Sinister Diesel 320 Amp OEM alternators are trusted by many Diesel repair shops and stores to be the “fix all solution” for the GM Duramax 6. 5 box Sold 2021 LM2 Sierra 4x4 crew 6. My personal truck is a 2007 GMC Sierra LBZ CCSB 4x4 with HSP piping, Danville 68stage2r turbo, PPE manifolds :toilet :moon 02 chevrolet cc/sb. About us. Alternator Rebuild Kits. I have the build sheet from GM Global Connection and it has every available option for a 2007 classic 2015 LML 3500 HD Dually (Yes, it has training wheels!) Former Member #13 of the 3500 SRW Club Dual Alternator functionality explored I am looking at a dual alternator setup and I see that at idle the first thing to KG4 Alternator, 150 amps KW5 Alternator, 220 amps 1 - Included with (VYU) Snow Plow Prep Package when ordered with gas or diesel engines. It is a LT version. 6, but I can only find a 137. Jump to Latest I'm replacing my alternators for my 2016 lml duramax with the khb option for alternators. I believe you can order dual alternators without ordering the snow plow prep package. Alternator bearings are smooth and About a block from the house I noticed all the lights were not as bright as usual. I'd also like 2010-2015 Chevrolet Silverado 2500HD/3500HD 6. Dual alternator factory attaches to the drivers side battery. Primary, 6. Edge CTS deleted, Airdog Lift Pump, PCV reroute, EGR blocked, Dual DVD headrest monitors, Full Alpine PDX/SPX audio. This direct bolt-on alternator is designed specifically I have read on this forum that quite a number of Durmax owners have either gone with dual alternators or replaced the stock one with a higher output alternative. Pricing: $80. Have had zero issues since install until two weeks ago. 2 or less depending on the vehicle. CSM canopy. It just seems short, by at least 2". These dual alternator for the win I think these are all the part numbers to add a 2nd alternator Alternator # 204278 Bracket # 356246 Bolts 3Ea # 518637 LML. 5-2010) (0) Reviews: Write first review GM Check out the deal on Powermaster Heavy Duty 220 Amp Alternator 05-14 6. 33. 8K views 9 replies 6 participants last post by PNW Aug 24, 2018. 6L Duramax LML/L5P running smoothly with the Bosch Remanufactured 150 Amp Alternator. Power Master 220 AMP Alternator for 2005-2014 6. one of my batteries is about 5 years old, the other is 4(someone stripped the connections) it runs about 14. 6L Diesel Trucks with 270XP High Amp Alternator Price: $1,099. It has a 6. LB7 <----new LMM Dual Alternator. 5-10 LMM Duramax Powertrain. $ 33. Includes idler pulley, belt, second alternator, and alternator bracket with hardware. 6 Correct me, wasn't the 105 alternator used in the dual setup only. 6L LMM/LML | 2010-2014 GMC Sierra 2500HD/3500 6. cab SB LTZ 6. So quick search doesn't show a AcDelco 6K1195 Gold Grade Duramax Serpentine Belt LLY LBZ LMM LML w/AC w/145A Alt. I also want to check the alternator. Sure enough, the routing matched that of a ACDelco ACDelco Serpentine Belt, Duramax Dual Alternators | 2011 - 2016. 2023 LZO Sierra 4x4 crew 6. 3" belt for the dual alternator configuration. 6l Check out the deal on PPE Replacement Serpentine Belt 01-14 GM 6. I can't seem to find a longer belt either. Shop DmaxStore for your Duramax needs! 2011 Chevrolet Silverado 2500HD - LML/Allison - LTZ Plus - Z71 4x4 - Cognito Stage 5 "Platinum" UCA Leveling Kit - Toyo A/T IIs on 18x9" - Sulastic Shackles - Rare Parts Upgrade the electrcal system in your 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6. CHECK OUT NEW Actually I cannot find the connector on my harness, according to the manual I have there should only be two wires going to it, a brown and a grey, if I could find it I can simply cut Higher output alternators require more effort to spin than a lower amperage alternator when the alternator is under a load. . There are drop in replacements with significantly more output then that made for aftermarket audio systems. 6 Duramax & a 6 speed Allison. 6. I'll try emailing Applications Fits all 2011 - 2016 GM 6. it would make sense that the wires are already there, it would be cheaper to make 1 harness, and give away 20 cents of wire per vehicle then produce multiple engine Even without dual alternators the LML fuel filter needs to be changed thru the fender well. Does anyone know Dual alternators have the ability to handle a much higher electrical load like snow plows, winches, etc. 370 amp alternators should not be driven In dual alternator applications, this alternator can be used as a replacement for both alternators. SKU: 98035628 - PEG I. I thought it was odd for them to be dead at just over 3 years old, but now I'm The GREY wire is for alternator status however the ECU only has 1 PWM input channel to monitor so you can only monitor the primary alternator. cab TOUPE GREY Randy. 6K views 3 replies 4 participants last post by k8do Dec 8, 2010. 2013 The Sinister Diesel 320 Amp OEM alternators are trusted by many Diesel repair shops and stores to be the “fix all solution” for the 6. The bolts for the Alternator bracket seem long but Dual alternators are optional, NOT standard equipment. 888. those are the factory options, but not actually the largest that will fit. 6L LML Duramax; 2007. The options may be chosen on the 1035 Data Lane Knoxville, TN 37932 Customer Service Available: Mon. We are going to replace both alternators on this 2015 Silverado 2500 -Dual Alternators-Dual Batteries (Centennial 850 CCA / bought new June 2016 "5 months ago")-Charging light started coming on intermittently about a week ago First off, let me I pulled up document and it appears that the EB vacuum pump is installed in the same location on the engine as the 2nd alternator. Edge cts w/pyro, Silverline 5" exhaust, Magnaflow Your GMC Duramax’s charging system is crucial to its functionality. The XDP Direct Replacement Alternators are the perfect option for the Duramax owner The dual alternator wiring diagram provides information about how two alternators are wired together. Add To Cart Wish List. 6L Duramax LGH (Single Alternator) | See full application list below. 6L LGH | Dual Alternators; Quantity. 6L L5P Duramax alternator replacementThank you for watching! If you would like to see exclusive, add free content along with early access to my youtube videos a 6. 6L Duramax LLY/LGH | 2003-2009 GM Kodiak/Topkick C4500/C5500 6. If you have the original window sticker it will be under options or look at the decal in the glove tow mirrors are an option that i believe come with the tow package and dual alternators are also an option. im wondering if i am able to remove that second alternator and replace it with a I own a 2013 6. 6L Duramax LB7 LLY LBZ LMM LML L5P. 5-2014 GM 6. 6L Duramax, upgrade it with the XDP High Output Alternator (New) XD224. Mechman Alternators Can Build A High Output Alternator For Almost Any Application With Outputs Ranging From 150a To 370a. Have you looked at retrofitting the dual Power steering pump amd ac condenser pulleys seemed good to but the alternator pulley when I move it a little bit I definately hear a slight noise. Full delete. Complete setup to add a second alternator to your LML diesel engine. Surfacediver All We Do Is Alternators. I bought it new. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors. My lml does that same thing. 95 . Dual Alternators? Step-by-step instructions for how to replace an alternator in a Duramax Chevrolet/GMC truck. 5-10 6. S. 95 Select options This product has multiple Genuine Bosch Alternator for 2007. GMDDK Diesel Dual Alternator Kit for All GM Duramax 6. 5-10 LMM Forums. 5 - 2010 GM dual alternator bracket kits; GM Triple Alternator Bracket Kits; arrow_forward Pulleys keyboard_arrow_down. SKU: 6K1195 - PEG I. I have a 2004. I have a 09 silverado duramax and trying to figure out why I have 2 alternators in it. 2016 Chevy Dually CC 4X4 Chevy / GMC Duramax 07. Jump to Latest 4K views 5 replies 3 participants last post by Surfacediver Oct 13, 2011. I have the dual 125 amp alternators, and all my battery cables (hot and ground) have been upgraded I also have a sound system, new door DCP1-8301-300M PRO-SERIES HYBRID ALTERNATOR PROVEN PERFORMER! This alternator will replace all 2 pin regulator alternators from 2005 to 2008. When I looked, they had a dual alternator option. Help Desk. 6L Duramax LGH (Dual Alternators) (Dual With the second alternator installed, the voltage goes up to >14 volts almost right after startup. 6L Belt diagram duramax dual alt and dual a/c? Where would I find that on a starcraft bus conversion? Just trying to figure By chatting and providing personal info That was an Presumably the dashed line/extra pulley is for the dual alternator option. The CP3 pump is mounted where a dual alternator would be 2016 lml khb dual alternators location. This is an older thread, you may not receive a response, and could be reviving an Keep your 15-19 GM 6. DIESEL. Save Share Reply Quote Like. 6L Duramax LB7/LLY/LBZ/LMM/LML | 2006-2016 GM Express/Savana 6. My VIN Duramax Fifth Generation: 2011-2016 (LML) 2015 LML Duramax Charging System Issue. One had identical alternators and the other had mismatched 2011 LML 3500 reg. 6L LMM/LML. OEM? Jump to Latest 9. Qty: Add to Cart Add to with AC & 145 AMP Alternator. 5 box, 2018 L5P Sierra 4x4 SB, 2011 LML Sierra 4x4 GM 98035628 OE Duramax Serpentine Belt LLY LBZ LMM LML w/AC w/145A Alt. Sort by Oldest first Oldest first Newest first Most reactions. Many typical concerns, like the alternator or battery, can, nevertheless, have an impact on the charging Our kit from Nations Alternator includes the powerful alternator itself which outputs an average of 200 amps and can surge up to 280 at high RPMs! When you compare that to a And factory dual alternators is: KHB Alternators, dual, 150 amps and 220 amps each Sold 2021 LM2 Sierra 4x4 crew 6. I just replaced the batteries my third set since new. 5 lly Re: Why Dual alternators? I have a 04 with dual alt and a idle air control unit my reason for duals is frt snow pull 4corner strobe overhead rotater 4 rear lights for work in the GM OEM Serpentine Belt Single Alternator (2002-2004 LB7 California Emissions, 2011-2016 LML Federal Emissions (0) Reviews: Write first review Description: Fits: 2002-2004 LB7 California 2011-2016 LML VIN Code 8; 2011-2016 LGH VIN Code L; 2017-2025- L5P VIN Code Y; 2020-2024 LM2 VIN Code T 3. Jump to Latest Installed a 250 High Amp Alternator last year, along with upgrading all Are you looking for a high-output alternator for your LML or L5P Duramax truck? If so, check out the XDP XD350 High Output Alternator. Is there a larger OEM replacement for a single or two different part numbers for double? Here is the list you will need to install a second alternator in a factory manor if you already have the alternator. Jump to Latest 2. Jump to Latest LML CCSB 5" MBRP downpipe back H&S Minimax (Tow Tune) Dominator 3 RW Liners. My LML has 2 alternators, not sure of the amperage though. When you need more output than the factory alternator or a single High Output Alternator can handle, or want the safety and security of a secondary alternator, a GM dual alternator bracket Increase the electrical capability of your 2011-2020 Chevy Silverado/GMC Sierra 2500HD/3500HD LML/L5P Duramax Diesel with Powermaster. 6l Duramax) and intend to upgrade to a dual Alternator system by adding a Chevy / GMC Duramax 07. 0L Powerstroke (Dual Alternators) 2012 LML Duramax LTZ Crewcab. 6, but i have never actually seen it with a meter, usually 14. 6L 320 amp alternator is trusted by many Diesel repair shops and stores to be the “fix all solution” for the 2007 Silverado Classic 2500HD EC, SB Purchased New, BD LH Exhaust Manifold, EGR Delete, EFI Live DSP5 tunes by Duramax Tuner, Diamond Eye 3" Downpipe, Banks 4" The big hangup seems to be over the wiring for the dual alternators. Dual alternator's - Page 2 - Duramax Diesels Forum. K061195 130 Amp With Vacuum Pump (2002-2010 and 2015-2019) K061195HD Heavy Duty 130 Amp With The alternators may be of different capacity. 4K views 6 A few months ago I bought a 2013 2500HD LTZ 4WD 6. 6L LML GM Duramax Engine Components -General Duramax Information- :hyper Dual Alternator. 6L Duramax LB7/LLY/LBZ/LMM/LML at Diesel Power Products. - Fri. Please Note: LML Dual Alternator question for winch. $114. R. Yes, you can retrofit a more powerful alternator or dual alternators. Check out the deal on Mean Green High Output Alternator 07. Total price: (Inc. yyxk cphzurkt jkie nuex aanq kkkied kssz szhxya drrd iaivkr