New to our Community? Take a minute to introduce yourself, include some pics and info on your new truck, and get to know some of our members here! Been a member for a while but just bought a new truck? This is the place to post pictures and information on your new truck. Please Read The Sticky ATTN NEW MEMBERS: Please fill out your signature and include your location information in your profile!

Discuss the seventh generation of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.

Discuss the sixth generation of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.

Discuss the fifth generation (2011-2016) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.

Discuss the fourth generation (2007.5-2010) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.

Discuss the third generation (2006-2007.5 LBZ & LLY) of the 6.6L Duramax diesel engine & associated components. 2006 LLY engine discussion also belongs in this forum due to the similarities of the 2006 LBZ and the 2006 LLY. Engine related discussion ONLY.

Discuss the second generation (2004.5-2005 LLY) of the 6.6L Duramax diesel engine & associated components. 2006 LLY engine discussion belongs in Third Generation forum due to the differences of the 2006 LLY and the 2004.5-2005 LLY. Engine related discussion ONLY.

Discuss the first generation (2001-2004 LB7) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.

Discuss the 2.8L Duramax diesel-powered Chevy/GMC and all associated components

Discuss the 3.0L Duramax diesel-powered Chevy and GMC and all associated components

Discuss the 6.5 GM diesel engine & all associated components.

Discuss the 6.2 GM diesel engine & all associated components.

Discuss any other GM Diesel engines... 5.7l Olds, Chevette Diesel, or anything else that doesn't fit anywhere else...

Discuss new GM diesel engines in development as well as the mothballed 4.5L Duramax.

Doing a build? Got questions? Ask here and Share your story (& Photos!) here as it proceeds.

Did you put a 6.5 in a Camaro? A Duramax in a boat? A Cummins in a Chevy? A Powerstroke in a van? Then you must have a touch of the good Dr. Frankenstein. Post your stories, questions, discussions in here... this is intended to be a place to discuss your questions on how to, what to do, etc...

Are you broken down somewhere and in need of immediate assistance? Post in here, tell us where you are and what's wrong and hopefully some local members will come out and help you. EMERGENCY SITUATIONS ONLY.

Discuss front and rear axle, transfer case, brakes, etc. Transmission questions belong in the appropriate transmission forum below. Seventh Generation Duramax..

Discuss front and rear axle, transfer case, brakes, etc. Transmission questions belong in the appropriate transmission forum below. Sixth generation Duramax...

Discuss front and rear axle, transfer case, brakes, etc. Transmission questions belong in the appropriate transmission forum below. Fifth generation Duramax..

Discuss front and rear axle, transfer case, brakes, etc. Transmission questions belong in the appropriate transmission forum below. First through fourth generation Duramax...

Discuss OEM & aftermarket suspension, lifts, street suspension, air ride suspension, steering components, etc. Seventh generation Duramax...

Discuss OEM & aftermarket suspension, lifts, street suspension, air ride suspension, steering components, etc. Sixth Generation Duramax...

Discuss OEM & aftermarket suspension, lifts, street suspension, air ride suspension, steering components, etc. Fifth generation Duramax...

Discuss OEM & aftermarket suspension, lifts, street suspension, air ride suspension, steering components, etc. First through fourth generation.

Discuss wheels & tires.

Discuss Heating, Ventilation & Air Conditioning related issues on Duramax equipped trucks.

Discuss upholstery, trim, gauges, etc. No audio & electronics please.

Discuss body work, frame, molding, paint, etc. No wheels & tires please.

Discuss anything related to OEM & aftermarket electrical devices including: stereos, speakers, video, batteries, starters, the body control module, lighting, etc.

Discuss products, techniques, intervals, and fluids for maintaining your GM truck including oil and oil additives, fuel and fuel additives, alternative fuels (Bio-D, SVO, WVO), filters, grease, and maintenance specific tools.

Discuss topics and issues related specifically to 3500 Dually GM trucks. Please keep engine and drivetrain topics out of this forum and in their appropriate forums.

Discuss GM Kodiak/Topkicks, 4500/5500 & up medium duty engine & all associated components.

Discuss topics specific to vans and all associated components, equipped with a GM diesel engine.

Discuss Anything Related To Towing With Your Diesel. Any RV-specific discussions belong here.

Discuss repairing & maintaining an OEM Allison automatic transmission.

Discuss aftermarket Allison upgrades as well as repairing & maintaining them.

Discuss repairing & maintaining the OEM ZF-6 manual transmission.

Discuss aftermarket ZF6 upgrades as well as repairing & maintaining them.

Discuss the 4L80/85E transmissions found in the 6.2/6.5L equipped vehicles and Duramax equipped vans. 6L90 discussion.

Discuss 2020+ Duramax engine electronic upgrades including C.A.R.B compliant tuners

Discuss 2017-2019 Duramax engine electronic upgrades including C.A.R.B compliant tuners, etc..

Discuss 2011-2016 Duramax engine electronic upgrades including chips, tuners, programmers, etc.

Discuss 2007.5-2010 LMM Duramax engine electronic upgrades including chips, tuners, programmers, etc.

Discuss 2006-2007.5 LBZ & LLY Duramax engine electronic upgrades including chips, tuners, programmers, etc.

Discuss 2004.5-2005 LLY Duramax engine electronic upgrades including chips, tuners, programmers, etc.

Discuss 2001-2004 LB7 Duramax engine electronic upgrades including chips, tuners, programmers, etc.

Discuss upgrades to the Duramax fuel system and air system. Bigger turbochargers, more turbo chargers, air boxes, exhaust systems, emissions systems, and fuel pumps all go here.

Discuss the addition and use of propane, nitrous oxide, and water methanol injection.

Anything not covered by the other performance forums.

Post results of drag racing, sled pulling, & dyno events. New personal bests and improvements also belong here. Upcoming events belong in the appropriate events forum.

Discuss truck setup, driver technique, rules, regulations, organizations, etc. for drag racing.

Discuss truck setup, driver technique, rules, regulations, organizations, etc. for sled pulling.

Post your kill & smoke stories, friendly smack talk, bench racing and call outs in this forum.

Listing of Technical Service Bulletins for GM trucks.

No Ads If you're looking to buy a new truck (new to you, or brand new) or selling a truck, come on in and post your questions here...

Request VIN history reports. Read The Sticky "READ BEFORE POSTING-HOW TO GET VIN/BUILD SHEET INFO Effective June 3, 2015"

Discuss all of your General Motors Warranty, Service and Recall related issues here.

Detailed articles containing procedures, steps, & images to aid the do-it-yourselfer plus product reviews.

Discuss any of the GM gas engines & associated components.

Discuss anything farm tractor related.

Discuss anything else - diesel powered or not - including Ford Powerstrokes, Dodge Cummins, Big Rigs, Volkswagon, Mercedes, etc.

Need help figuring out how to hook up a water heater, install a garage door, set a fireplace? Ask in here...

Discuss everything in your shop/garage including tools, machines, layout, etc.

Do you have a favorite recipe? Do you like to eat? Want to talk about it? Come on in...

A forum dedicated to weekend trail warriors, swamp divers, mud eaters ATV's and rock crawlers.

Seen any good, bad, or ugly trucks? Take a pic and post it here...

Do you own a gun? Do you hunt? Have questions about ammo? Come on in...

Discuss the many practical uses for our trucks including towing, hauling, trailering, off-roading, snow plowing, and anything else that comes to mind.

A forum for discussing DIY solutions for your truck and/or your equipment. Share your tips, your ideas, and your solutions... or ask for help from others

Welcome to the Community Marketplace where members can list items for sale, wanted, trade. Marketplace Rules Apply: https://www.dieselplace.com/threads/marketplace-faq.711938/

Have you found a Great Deal? This forum is created to share and find discounts, sales, and other deals found online. (No Commercial Vendor or Private Party postings allowed)

Help the community by posting feedback regarding Market Place transactions.

Looking for a deal? Look here first for the latest deals provided by our Supporting Vendors!

Intended to be a place where you can ask who sells what. Either vendors or members can respond... no pricing information, please.

Please share your experiences with our supporting vendors, past or present.

Need to customize or repair your truck? Check out our selection of parts and accessories at CARiD.om, or give us a call at 800.505.3274 for professional advice. www.carid.com

Lincoln Diesel Specialties

Need help using this site? Have a suggestion? Post it here! NOT FOR VEHICLE-RELATED QUESTIONS!

INDP is Drag racers, Sled pullers and all around diesel enthusiasts. for Indiana residents only.

Primarily serves BC & Washington - The purpose is to bring all owners of (~GM~ Dodge~ Ford~) together. To have a comfortable place to gather, discuss & answer technical questions, arrange meets, & is open to anyone who shows a passion for trucks in general ( no matter if your stock OR highly modified ) this is a place for you!

Own a 'Burb? Join likeminded owners here.

Know of an upcoming event or rally? Wanna talk with others in your area? Looking to create a Club? This is the place to have a discussion.