ARP 200-8793 Harmonic Balancer Washer (2001-2023 Duramax)
Fits: Chevrolet • GMC
Diesel Dollars is Southern Diesel Supply's Loyalty Program. Purchasing with Us Earns you 1 Point for every 1 Dollar spent to use for future buys!
By ordering the ARP 200-8793 Harmonic Balancer Washer (2001-2023 Duramax) you will earn 9 DIESEL DOLLARS in your SDS Fuel Tank!
The ARP 200-8793 is a harmonic balancer washer for the GM 6.6L Duramax in 2001-2023 Chevrolet and GMC trucks. It is a cold forged, heat treated 8740 parallel ground washer designed to exceed the OEM hardware in strength and durability, and it is sold on its own so you can replace just the washer.
Fitment
Fits 2001-2023 Chevrolet and GMC trucks with the GM 6.6L Duramax:
- LB7: 2001-2004
- LLY: 2004.5-2005
- LBZ: 2006-2007
- LMM: 2007.5-2010
- LML: 2011-2016
- L5P: 2017-2023
ARP lists this washer through 2023. GM revised many L5P engine parts for 2024, including the pistons, heads, injectors and turbo, so for a 2024 or newer truck verify fitment by VIN or call us before you order. This is a 6.6L part and is not listed for the 3.0L Duramax. More hardware for your engine is on our Duramax page.
Why this part
This washer sits under the harmonic balancer bolt at the front of the engine. ARP optimized it for enhanced reliability and increased strength. Optimum design, enhanced reliability and increased strength are the main attributes of ARP's Pro Series balancer bolt kits, and this washer is built to the same standard.
How it is made is the reason to buy it. Each 8740 parallel ground washer is cold forged to ensure molecular integrity, then heat treated prior to machining. The finished washer is designed to exceed the OEM hardware in strength and durability, so the hardware under your balancer bolt is not the weak point.
It is sold as a washer only. That fits the job where the balancer bolt is already coming out and you want stronger hardware going back in. If you want a new bolt too, ARP makes a balancer bolt kit for 2001-2023 Duramax engines, and we carry it.
What you get
- One ARP 200-8793 harmonic balancer washer (balancer bolt not included)
- Material: 8740, cold forged, heat treated prior to machining, parallel ground
ARP lists these features:
- Washer Only
- Increased Strength
- Increased Reliability
About ARP
ARP, short for Automotive Racing Products, was founded in 1968, is based in Ventura, California, and builds high-strength engine fasteners for racing and performance use. Diesel owners mostly know the name for head studs, the common cure for a lifted head on a Duramax or Cummins running more boost than the stock bolts can hold. We carry ARP head studs, balancer hardware and valve cover bolts for the Duramax and Cummins on our ARP page.
Frequently asked questions
Does the 200-8793 come with a balancer bolt?
No. It is a washer only. ARP also makes a balancer bolt kit for 2001-2023 Duramax engines, which we carry if you want to replace the bolt at the same time.
Will it fit my 2025 Sierra 3500HD?
ARP lists it for 2001-2023 6.6L Duramax engines. The 2024 and newer L5P got revised internals and a different turbo, so send us the VIN and we will check before you order.
What makes it stronger than the factory washer?
Material and process. It is an 8740 washer that is cold forged, heat treated prior to machining and parallel ground, and ARP designs it to exceed the OEM hardware in strength and durability.
Questions on fitment? Call the shop at the number in the header. We install everything we sell.
Diesel Dollars is Southern Diesel Supply's Loyalty Program. Purchasing with Us Earns you 1 Point for every 1 Dollar spent to use for future buys!
By ordering the ARP 200-8793 Harmonic Balancer Washer (2001-2023 Duramax) you will earn 9 DIESEL DOLLARS in your SDS Fuel Tank!