SIERRA250 GMC TRUCK Engine Lmm 2500 Sierra

Review GMC TRUCK Engine 6.6l Vin 8th Digit Opt Lmm Fits Pickup for SIERRA 2500 2007–2010

The GMC 300-05766A engine is a powerful and reliable powertrain option for your 2007-2010 GMC Sierra 2500. This engine is part of the 6L80 family, specifically the LMM series, and is a 6.0L V8 OptiSpark engine.

The GMC 300-05766A engine is known for its impressive horsepower and torque, delivering up to 360 horsepower and 380 lb-ft of torque. This engine is equipped with a multi-displacement system (MDS), which allows it to switch between eight and four cylinders to optimize fuel efficiency and power delivery based on driving conditions.

The LMM engine series features advanced engine management and emission control systems, including variable valve timing, electronic throttle control, and a catalytic converter. This engine is also designed with durability in mind, featuring a cast-iron block and aluminum cylinder heads, as well as a high-capacity cooling system to help maintain optimal operating temperatures.

The GMC 300-05766A engine is a popular choice for those looking for a powerful and reliable engine for their GMC Sierra 2500. It offers a balance of power, fuel efficiency, and durability, making it an excellent choice for towing and hauling applications. Whether you're looking to upgrade your existing engine or replace a worn-out one, the GMC 300-05766A engine is a top-quality option that is sure to meet your needs.

1. Reliability: The 6L80 transmission is known for its durability and reliability, with many owners reporting over 200,000 miles without any major issues.

2. Fuel Efficiency: Compared to older 6-speed transmissions, the 6L80 provides better fuel efficiency, especially during highway driving.

3. Smooth Shifting: The 6L80 transmission provides smooth and precise shifting, resulting in a more enjoyable driving experience.

4. Towing Capacity: The 6L80 transmission is capable of handling heavy loads, making it a great choice for those who frequently tow trailers or haul heavy cargo.

1. Cost: Replacing the 6L80 transmission can be expensive, especially if it fails due to wear and tear or poor maintenance.

2. Limited Availability: The 6L80 transmission may be more difficult to find if it needs to be repaired or replaced, resulting in longer wait times and higher costs.

3. Complexity: The 6L80 transmission is a complex piece of machinery, requiring specialized tools and knowledge to repair or replace.

Overall, the GMC 6L80 6-speed automatic transmission engine is a great choice for those who frequently tow heavy loads and value reliability and fuel efficiency. However, the high cost of replacing the transmission and the difficulty in finding replacement parts should be considered before making a purchase. It is recommended to have the transmission inspected and serviced regularly to ensure its longevity and to minimize the risk of costly repairs. Additionally, it may be beneficial to invest in a warranty or extended service contract to protect against unexpected repair costs.

Details:

We check for any smoking, leaking or noises. Warranty does not include any labor or towing. You should expect to use your existing intake manifold, exhaust sensors, and harness eliminate complications when installing a used engine. Engine must be inspected in the vehicle for any warranty coverage.

Once sold the engine is decreased, steam cleaned and goes through its final quality control inspection. When dismantled, the car will again be brought up to operating temperature ensure that engine is running properly. When new vehicles arrive, our experienced inventory staff will run the car to operating temperature.

We cover the cost of return unless part was ordered incorrectly. Timing belts or chains, hoses, seals, spark plugs and gaskets any sensors must be replaced at the time of installation are not covered by warranty. All engines are sold without starter, alternator, steering pump, turbo, supercharger, ac compressor, coil packs, distributors, plastic engine covers, throttle bodies and ecu. All engines are sold as a long block which includes oil pan, block, heads and valve covers.

specifications engineblocksam:

• for models: 2500, Sierra
• for years: 2007–2010
• brand: Gmc Truck
• mpn: Sierra250
• part type: Engine
• conditions options: 6.6, Ncb
• genuine oem: Yes
• ipn: 300-05766a
• make: Gmc
• year: 2008
• manufacturer warranty: 6 Month

payments engineblocksam:

• credit card: visa
• wallet: google-pay

returns engineblocksam:

• policy: returns accepted
• paid by: buyer
• time: 60 days

shipping engineblocksam:

• service: flat rate freight
• class: freight
• type: fixed

offer engineblocksam:

• best offers: true
• sold #: 37
• options: ship-to-home
• prices: $82.95–$195.20
• item condition:
  • New
  • Used
• in stock #: 5
• availability: in stock
• started: february 2, 2024

seller engineblocksam:

• # reviews: 1681
• rating: 99.1%
• city: phoenix, arizona

general engineblocksam:

• category: Auto Parts > Car Truck Accessories > Engines