HUMMER H1 ENGINE

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#1 We Inspect All Of Our Engines


Used Auto Parts Locator is proud of the engine inspection system we have in place here. Before removal, inventory, or showing to a potential customer, we do a compression test on all cylinders. Next step is a visual inspection to look for any major oil leaks, coolant leaks, cracks or damage. Finally, our technicians will start the vehicle and idle to operating temperature.

#2 We Guarantee All Used Engines


Most of our used engines will come with a standard 90 day warranty. We have the ablility to do this, because of the thorough inspection process, giving us and you the assurance the used engine you purchased is top quality.

#3 Nationwide Shipping and Delivery


We have locations that sell used engines near you, however if the engine you need is in another location, we will palletize, and ship your used engine via freight to any commercial or residential address you provide. All of our shipments are guaranteed, insured, and have provided tracking information once picked up at our facilities.

Complete our salvage yard inventory search form and get an immediate quote on used Hummer H1 engines and auto parts at Used Auto Parts Locators.

The “Alpha” was an extensively re-engineered H1 that was equipped with GM’s Duramax Diesel and 5-speed Allison transmission. The previous version of the H1 with the 6.5L “Optimizer” turbo-diesel engine suffered from sluggish sales; lack of power was one of the reasons for customer resistance. In 2002, AM General CEO Jim Armour took the idea of re powering the H1 to Bob Lutz and the GM Luxury Vehicle committee. GM soon approved the use of their Duramax/Allison powertrain for the H1 Hummer. This would support the continuation of the H1; it would also represent an updating in terms of power, torque, refinement and the ability to meet 2004 heavy duty EPA emissions requirements.

The update program commenced in late 2002 with production launch slated to be fall of 2004. The engineering team chose the engine variant out of the GMT560 truck (the C4500) because it packaged better into the H1 engine bay; however, 23 engine component changes were required and the team had to do a 2.0 in (51 mm) body lift to accommodate the taller engine and its turbo housing (a prior 0.5 in (13 mm) lift had been done for MY96 to accommodate the turbo on the 6.5L engine). The 8th digit of the VIN number is 3, setting this version of the 6.6L Duramax apart from the versions used in pickup trucks.

The GMT560 engine calibration was used with minimal modification; engine output was 300 hp (220 kW) and 520 lb⋅ft (705 N⋅m) of torque. The Duramax engine was equipped with cooled exhaust gas re-circulation and an internal engine oil cooler, thus, requiring a 40 percent heat rejection increase to engine coolant. Because space was limited between the air-lift brackets that protrude from the hood, the fan system was modified by putting it directly under the coolpack and driving it through a special gearbox directly off the crankshaft damper pulley. Several other cooling system modifications were required to assist with cold starting from −30 °F (−34 °C).

Other major modifications included the use of special high-strength steel in the chassis frame, a more powerful steering gear; quieter axle differentials, redesign of the geared hubs to use quieter helical gears, new induction, exhaust and electrical power systems; and re-engineering of the fuel supply and filtration system.

The Duramax engine delivered more torque at lower engine speeds than the 6.5L, combined with a lower gearing ratio (about 44.5 to 1 in low lock) made the vehicle more powerful. Other changes included centralized tire inflation and a new interior.

Used Auto Parts Locator is your best bet online when it comes to locating HUMMER H1 ENGINE. We have auto recycler locations all over the united states and we can help you find quality HUMMER H1 ENGINE because of the locations we have.

Instantly find HUMMER H1 ENGINE and feel confident in your purchase! We have thousands of partner locations across the United States, and our goal is to make your experience the best it can be when you purchase enignes, transmissions and more. Please submit a used engines request form, with all correct vehicle and part information, so we can verify we have your engine in stock. If you provide us with a zip code, we will check all the auto salvage locations in that zip code first. Place an anonymous request and let our junkyards, salvage yards, and used parts vendors compete for your business. This will give you the advantage on finding the best quality used engine, for the best price. Utilizing our website will help you find what you are looking for from our junkyards and salvage yards faster. We take pride in helping our customers, and our success depends on you being satisfied. 100%

Why are low mileage used engines important?

The rising costs of remanufactured and brand new dealer only engines takes more out of your pocket, and the engines are considered used once they are installed anyways. Remember when you are searching for HUMMER H1 ENGINE on our website, our recyclers have low mileage engines ready to be sold. We purchase vehicles from auctions, which have either been wrecked, do not have titles, or have a major mechanical or structural issues, which prevents the vehicle from being ran on a highway. There are still valuable engines in these vehicles, and customers like you need these engines. All of our HUMMER H1 ENGINE are held to a higher expectation for you. All of our used engines are inspected, tested and come with some type of industry standard warranty. Keep Used Auto Parts Locator in mind next time you are needing HUMMER H1 ENGINE.

100% Customer Service Guaranteed! Finding Any HUMMER H1 ENGINE Will Be A Breeze With Used Auto Parts Locator. Our local auto junkyards near you are ready to help get your used engine pulled, and shipped immediately. Call (866)-777-5195.