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06-10 GM 6.6L Duramax LBZ/LMM XDP Performance Harmonic Balancer
$620.95
- Part Number: XD723
- Est. Ship Time: Usually Ships In 1-2 Business Days

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Starting From $3,975.95
Fits: 2006-2010 GM 6.6L Duramax LBZ/LMM
This XDP XD723 Premium Balancer Series- Stock Replacement Harmonic Balancer is the perfect component for your truck. This harmonic balancer's other name is a crankshaft vibration damper and does more than spinning the pulleys on the engine. It helps decrease the engine harmonics and decreases the vibrations. This part is built out of billet steel ring and hub. It also meets SFI 18.1 Standards and has an easy to read computer timing marks.
XDP: XD723

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06-10 GM 6.6L Duramax LBZ/LMM XDP Performance Harmonic Balancer
, XD723
, Belts & Accessory Drive
Restore lost power from the valvetrain in your 2001-2016 GM 6.6L Duramax with the XDP Pushrods 7/16" Competition & Race Performance XD316. The factory..
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The XDP Duramax 6.6L LML Fuel Contamination Kit XD517 is an all-inclusive kit that provides everything you need to get your 2011-2016 GM 6.6L Duramax ..
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The XDP 6.7L Intercooler Pipe Upgrade (OEM Replacement) XD364 eliminates the risk of being left stranded due to a blown intercooler pipe in your 2017-..
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Replace the worn or damaged turbo in your 2000-2002 Dodge 5.9L Cummins with an XDP Xpressor OER Series New HY35W Replacement Turbocharger XD561. Issue..
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Replace the failed or damaged turbo in your 2000-2004 Sprinter 2500/3500 2.7L with an XDP Xpressor OER Series New GTA2256V Replacement Turbocharger XD..
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Keep your 2001-2002 Dodge 5.9L Diesel 245HP (6-Speed Manual Transmission) running properly when you purchase the XDP OER Series New Fuel Injector XD59..
$99.95
Replace the contaminated or corroded fuel lines on your 2001-2004 GM 6.6L Duramax LB7 with the XDP OER Series Fuel Injector Line (Cylinders 1 and 8) X..
$49.95
The XDP OER Series Fuel Injector Line (Cylinders 2 and 7) XD597 from XDP provides your 2001-2004 GM 6.6L Duramax LB7 with a high-quality replacement. ..
$49.95
The XDP OER Series Fuel Injector Line (Cylinders 3 and 6) XD595 from XDP replaces the leaking OEM fuel lines on your 2001-2004 GM 6.6L Duramax LB7. It..
$49.95
The XDP OER Series Fuel Injector Line (Cylinders 4 and 5) XD596 provide your 2001-2004 GM 6.6L Duramax LB7 with high-quality fuel lines. As time passe..
$49.95
Replace the worn turbo in your 2001-2004 GM 6.6L Duramax LB7 with an XDP Xpressor OER Series New RHG6 Replacement Turbocharger XD557. Issues such as l..
$944.95
The XDP Fuel Return Line Banjo Bolt Kit (Set of 8) XD476 is a high-quality replacement for the banjo bolts in your 2001-2004 GM 6.6L Duramax LB7. Duri..
$79.95
The XDP Remanufactured CP3 Fuel Pump XD521 replaces the failed or underperforming fuel pump in your 2001-2004 GM 6.6L Duramax LB7. A bad or poorly fun..
$525.95
Replace the failed fuel injector on your vehicle with the XDP Remanufactured LB7 Fuel Injector XD488. With more than 30 million fuel injectors on the ..
$204.95
Don't let your 2001-2005 GM 6.6L Duramax overheat due to a broken or damaged fan, replace it with the XDP X-TRA Cool Direct-Fit Radiator Clutch Fan Bl..
$75.95
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..
Starting From $119.95
Fits: 2001-2016 Gm 6.6L Duramax LB7/LLY/LBZ/LML
This Dorman 419-623 Idler Pulley for your 2001-2016 GM 6.6L Duramax is built to route the serpentin..
$33.80
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..
$38.48
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..
$46.12
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..
$69.96
Replacement belt tensioner for 02-16 GM 6.6L Duramax by Alliant Power.Part number: AP63449..
$142.57
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..
$45.34
Wagler Competition Duramax Mechanical Belt TensionerDoes away with the weak factory spring belt tensionerThese are a MUST when running dual CP3 pumps ..
$375.00
Fits: 2006-2010 GM 6.6L Duramax LBZ/LMM
This XDP XD710 Premium Balancer Series- Stock Replacement Harmonic Balancer is the perfect componen..
$292.95
Backordered No ETA (Updated on 6/3/2025)
Fits: Universal-Fits Many Spring-Loaded Idler Pulleys
This CTA Tools A875 Serpentine..
$32.47
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
02-08 Chevy 6.6L Duramax Diesel Serpentine Belt Tensioner
Part number: 49278..
$90.00