GMC Engine Motor Savana 2500 3500

Review GMC Engine 4.8l Vin 8th Digit Opt L20 Motor Savana Express for 2500 3500 2010–2017

The GMC 300-05648 engine is a powerful and efficient 4.8L 8th generation Opti-L20 motor designed specifically for use in GMC Savana 2500 and 3500 models produced between 2010 and 2017. This motor is an essential component of these vehicles, delivering impressive performance and reliability.

The 4.8L engine boasts a modern and sophisticated design, featuring a compact architecture that maximizes power output while minimizing weight and reducing emissions. The Opti-L20 designation signifies the use of advanced technologies such as variable valve timing and direct fuel injection, which optimize combustion efficiency, improve power delivery, and enhance overall fuel economy.

The 8-cylinder engine produces a robust output of 297 horsepower at 5,100 rpm and 295 lb-ft of torque at 4,100 rpm. These impressive power figures enable the Savana to tow heavy loads and carry substantial payloads with ease, making it an excellent choice for cargo and passenger transportation applications.

The engine block is made from high-strength aluminum alloy, contributing to its lightweight construction while maintaining the necessary durability and strength. The cylinder head is also crafted from aluminum and is equipped with twin camshafts and four valves per cylinder.

The 4.8L engine is equipped with a state-of-the-art electronic fuel injection system that utilizes a high-pressure direct fuel rail to deliver precise amounts of fuel to the combustion chamber. This system ensures optimal engine performance and efficiency, while also contributing to reduced emissions and improved fuel economy.

The engine is also fitted with a durable and efficient cooling system, consisting of a compact radiator, cooling fan, and thermostat. This system ensures that the engine remains at an optimal operating temperature, even during heavy load conditions or in extreme weather environments.

The 4.8L engine from GMC is a sophisticated and high-performing powertrain option that delivers impressive power and torque figures, while also providing excellent fuel economy and reduced emissions. This engine is an essential component of the GMC Savana 2500 and 3500 models, making it a reliable and capable choice for those who require a versatile and robust vehicle for their transportation needs.

Pros and Cons of Buying GMC 300-05648 4.8L 8th Generation Opti-L20 Engine for Savana 2500 and 3500 (2010-2017)

a. Fuel Efficiency: This engine is known for its decent fuel economy compared to other V8 engines in its class.

b. Power and Torque: It delivers a good amount of power and torque, making it suitable for heavy-duty tasks.

c. Reliability: Many users have reported long-term durability and reliability with proper maintenance.

d. Availability: This engine is readily available in the market, making it easier to find and purchase.

a. Maintenance: Some users have reported higher maintenance costs due to the complex design of the engine.

b. Emissions: This engine does not meet the latest emission standards, which could be a concern for some buyers.

c. Noise: The engine can be noisy, especially under heavy load, which may not be desirable for some users.

The GMC 300-05648 4.8L 8th Generation Opti-L20 Engine has its advantages, such as decent fuel economy, power, reliability, and availability. However, it also comes with some drawbacks, including higher maintenance costs, noise, and not meeting the latest emission standards. Ultimately, the decision to buy this engine depends on your specific requirements, budget, and preferences.

If fuel economy is a priority, you may want to consider alternative engines with better fuel efficiency. However, if power and reliability are your main concerns, this engine could be a suitable option, as long as you are prepared for the higher maintenance costs and noise level. Make sure to thoroughly research and compare different engines before making a final decision.

Details:

Bulbs not covered under warranty unless.i.d. A licensed mechanic must install part for a warranty to be valid. Vehicle fitment. Same quality as the original part.

Business information. Donor vehicle specifications. To aid in installation, you get to keep your current engine and all attached accessories. Easy installation.

Model: SAVANA25. All components including relays and sensors must be changed as needed. This used item comes with a 180 day warranty parts only - no labor. Included long block.

Lower costs than aftermarket or new oem. Warranty / guarantee. Both oem and aftermarket need repainted. All engines are sold as long blocks only.

Indicates not always included read notes. All parts come with a 180 day part replacement only warranty unless an extended is purchased. Gaskets are not covered. Oem fits better than aftermarket, no modifications to get the part fit on vehicle.

Better fit and finish. Although these items may be left on the engine you purchase, they are there for convenience only and is no assurance of proper fit. However the following procedures and guidelines apply. Heat tabs are used to make sure the engine was not overheated during installation.

Exhaust manifolds may or not be on the engine regardless they are expected to changed out. Not included alternator. Less environmental waste.

Used tail light housings.

specifications engineblocksam:

• for models: 2500, 3500
• for years: 2010–2017
• brand: Gmc
• mpn: Savana25
• conditions options: 4.8l
• genuine oem: Yes
• year: 2015
• descriptionpartcondition: Tested And Working / Ships Freight On Pallet Commercial Address
• performance part: No
• manufacturer warranty: 6 Month
• engine size: 4.8 L
• fuel type: Gasoline
• type: Engine Long Block
• upc: 300056488294

general engineblocksam:

• category: Auto Parts > Car Truck Accessories > Engines

shipping engineblocksam:

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

seller engineblocksam:

• city: roseville, michigan
• # reviews: 5321
• rating: 99.3%

payments engineblocksam:

• credit card: visa
• other
• wallet: google-pay

returns engineblocksam:

• policy: returns accepted
• time: 30 days
• paid by: seller

offer engineblocksam:

• options: ship-to-home
• availability: in stock
• in stock #: 5
• started: january 22, 2026
• prices: $127.99–$307.99
• item condition:
  • Used
  • New
• best offers: true
• sold #: 18