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04.5-10 6.6L LLY/LBZ/LMM Duramax Wagler Competition Mechanical Belt Tensioner
$359.00
- Part Number: WCPC661025.1
- Est. Ship Time: Usually Ships By Next Business Day
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The Wagler WCPC6669 Pinned Oil Pump is an excellent upgrade for the oiling system when rebuilding the engine in your 2001-2010 GM 6.6L Duramax. Wagler..
$519.00
The Wagler WCPC6658 Street Girdle adds strength to your 2001-2010 GM 6.6L Duramax engine. The WCP Street Girdle features a 1/2" thick, one-piece ..
$900.00
Strengthen the bottom end in your 2001-2016 GM 6.6L Duramax with the Wagler WCPC6641 Billet Main Caps. Designed, and machined in-house at Wagler Compe..
$939.00
PDP Pick
Upgrade the valvetrain in your 2001-2016 GM 6.6L Duramax engine with the Wagler WCPC6643 Dual Valve Spring Kit With Steel Retainers. Designed to work ..
$0.00
Upgrade the valvetrain in your 2001-2016 GM 6.6L Duramax with the Wagler WCPC6664 Pushrods. Built from 3/8" x .135 wall 4130 Chromoly, these push..
$400.00
The Wagler WCPC6686-1 Alternate Fire Street Stage 1 Camshaft provides your 2001-2016 GM 6.6L Duramax with increased driveability and increased perform..
$975.00
The Wagler WCPC6686-1 Street Stage 1 Camshaft provides your 2001-2016 GM 6.6L Duramax with increased driveability and increased performance. This cam ..
$640.00
-250x250w.webp "01-16 6.6L Duramax Wagler Street Fighter 1,000 HP Rotating Assembly")
The Wagler Duramax Entry Level Rotating Assembly is the ideal package for a stock workhorse or a hot street truck making up to 1,000 HP. Even if the p..
$0.00
PDP Pick
The affordable Wagler Duramax Street Fighter connecting rods are the perfect solution for a hot street truck making 1,000 HP or less. The as-forged ma..
$2,210.00
The Wagler STREETFIGHTER Duramax offers neck-snapping torque, with impeccable street manners, and is the ideal upgrade for light-duty GM trucks and cl..
$0.00
Improve the valvetrain in your 2001-2016 GM 6.6L Duramax when you install the Wagler WCPC6618 Billet Rocker Arm Bridge Set. These rocker arm bridges f..
$450.00
Wagler Competition Duramax Mechanical Belt TensionerDoes away with the weak factory spring belt tensionerThese are a MUST when running dual CP3 pumps ..
$375.00
The Wagler CRF6.0 Connecting Rod Set is a must have for any enthusiast, racer, or shop that's building a 2003-2007 Ford 6.0L Powerstroke engine. Maxim..
$4,369.00
-250x250w.webp "04.5-10 6.6L Duramax Wagler Billet Upper Valve Covers")
WCP Billet Valve Covers are designed and machined in house
Includes mounting bolts and O-Ring seal
Fits LLY, LBZ and LMM
Made in the USA
Optio..
$350.00
Maximize strength and reliability in your 2008-2010 Ford 6.4L Powerstroke engine build with the Wagler CRF6.4 Connecting Rod Set. Proudly made in the ..
$4,369.00
Stabilize your serpentine belt under high load and high rpm with DHD's add-on belt idler kit. These kits require no belt changes and no modification t..
$119.95
Fits: 2001-2016 Gm 6.6L Duramax LB7/LLY/LBZ/LMLThis Dorman 419-623 Idler Pulley for your 2001-2016 GM 6.6L Duramax is built to route the serpentin..
$37.51
DHD Duramax AC Delete kit is a complete kit that will allow you to remove the AC compressor on your LB7, LLY, LBZ, LMM, LML and L5P equipped GM trucks..
$119.00
Fits: 2001-2023 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P (Non-Stock, Internally Balanced Engines)This damper is for HIGH PERFORMANCE BUILT ENGINES..
$574.82
Fits: 2002-2004 GM 2500HD/3500HD 6.6L Duramax LB7 (Single Alternator, See Applicaitons) | 2006-2010 GM 2500HD/3500HD 6.6L Duramax LBZ/LMM (Single Alte..
$32.19
Fits: 2002-2005 GM 2500HD/3500HD 6.6L Duramax LB7/LLY (Single Alternator, See Applicaitons) | 2011-2014 GM 2500HD/3500HD 6.6L Duramax LML (Single..
$42.54
As peak horsepower and engine RPM's continue to climb, it's becoming more evident that the factory Duramax belt tensioner is not sufficient! DHD's man..
$375.00
Fits: 2002-2016 GM 2500HD/3500HD 6.6L Duramax LB7/LLY/LBZ/LMM/LML | 2006-2016 GM Express/Savana 6.6L Duramax LLY/LGH | 2003-2009 GM Kodiak/ Topkick C4..
$66.11
Replacement belt tensioner for 02-16 GM 6.6L Duramax by Alliant Power.Part number: AP63449..
$152.83
Fits: 2003-2005 GM 2500HD/3500HD 6.6L Duramax LB7/LLY (Dual Alternators, (See Applications) | 2010-2012 GM Express/Savana 6.6L Duramax LGH (Dual Alter..
$41.82
Fits: 2006-2010 GM 6.6L Duramax LBZ/LMMThis XDP XD723 Premium Balancer Series- Stock Replacement Harmonic Balancer is the perfect component ..
$682.95
Fits: 2006-2010 GM 6.6L Duramax LBZ/LMMThis XDP XD710 Premium Balancer Series- Stock Replacement Harmonic Balancer is the perfect componen..
$321.95
Backordered
Backordered No ETA (Updated on 10/31/25)Fits: Universal-Fits Many Spring-Loaded Idler Pulleys This CTA Tools A875 Serpentine..
$38.97
ATI Diesel Super Dampers
2006-2010 GM 6.6L LLY, LBZ & LMM Duramax Diesel Super Damper
Part number: 917369Do you have a high horsepower diese..
$493.83
Fluidampr Harmonic BalancerFor 2006-2010 Chevy/GM 6.6L LBZ, LMM Duramax Diesels
A new Fluidampr on your diesel truck will not only protect your engin..
$574.82