2021 GMC Truck Sierra Denali 3500 Engine — Part # I13604 — Big Mike's Used Auto · Harrison Township, MI

Engine for 2021 GMC Truck Sierra Denali 3500

Product Details

$2500

Part Number

I13604

Vehicle

2021 GMC Truck Sierra Denali 3500

Description

When replacing or upgrading the engine in your 2021 GMC Truck Sierra Denali 3500, one often overlooked but critical consideration is ensuring the engine's fuel type and displacement match your vehicle's specifications to maintain performance and emissions compliance. This listing features a 6.6-liter diesel engine, specifically designed for automatic transmission (AT) configurations, which is essential for compatibility with your Denali 3500's drivetrain. This engine is graded as B, indicating it is in good condition but may show some signs of previous use. The seller notes mention "6.6 AT DIESEL FIRE DMG," suggesting there may be fire damage to consider, which could affect engine integrity or require further inspection. Additionally, the estimated CO2e savings of 1194kg could be relevant for buyers mindful of environmental impact or regulatory compliance. Before purchasing, compare this engine's specifications and condition with your current unit or other available options. Confirm the engine's compatibility with your vehicle's model year and transmission type. Since the seller's notes imply potential damage, it is advisable to request detailed condition reports or images to assess repair needs and costs. This engine is listed under stock identifier I13604 and is specifically for the 2021 GMC Truck Sierra Denali 3500. For more options or related components, consider browsing GMC parts or Truck Sierra Denali 3500 parts. If you are seeking a diesel engine replacement with a focus on maintaining your vehicle's original performance characteristics, this 6.6L diesel engine is a strong candidate. However, due to the noted fire damage, thorough evaluation is essential. Contact the seller for more details and ensure this engine meets your requirements before purchase.

Enhanced product content

Fitment & Buyer Verification

This engine is listed specifically for the 2021 GMC Truck Sierra Denali 3500 with a 6.6L diesel engine and automatic transmission. Buyers should verify compatibility with their exact vehicle configuration.

Record only

Fitment checks

Vehicle Compatibility

Use these records to confirm the vehicle match before purchase.

Check	What to verify	Buyer action	Basis
Vehicle Year	2021	Confirm this detail before ordering.	Product recordHigh
Vehicle Make	GMC	Confirm this detail before ordering.	Product recordHigh
Vehicle Model	Truck Sierra Denali 3500	Confirm this detail before ordering.	Product recordHigh
Engine Fuel Type	Diesel	Confirm this detail before ordering.	Listing noteHigh

Option checks

Configuration Details

Match trim, equipment, and listing-specific details against your vehicle.

Check	What to verify	Buyer action	Basis
Engine Displacement	6.6L	Confirm this matches your vehicle's engine size.	Listing noteHigh
Transmission Type	Automatic Transmission (AT)	Verify your vehicle uses an automatic transmission to ensure compatibility.	Listing noteHigh
Engine Condition Grade	B	Assess if grade B condition meets your quality expectations.	Product recordHigh
Fire Damage Presence	Possible fire damage noted	Request detailed condition reports and images to evaluate damage impact.	Listing noteMedium

Before ordering

Buyer Verification Checklist

Verify engine displacement matches your vehicle's original engine size.
Confirm your truck uses an automatic transmission compatible with this engine.
Request detailed photos or reports about the noted fire damage.
Compare engine condition grade B against your expectations and budget.
Check for any additional components or accessories needed for installation.

Condition review

Condition & Inspection Notes

Inspect the engine thoroughly for fire damage effects on critical components.
Check for leaks, cracks, or corrosion that may have resulted from fire damage.
Verify the engine's mechanical functionality through compression or diagnostic tests if possible.

Common questions

Product Fitment FAQs

Is this engine compatible with manual transmission models?

This engine is specified for automatic transmission (AT) configurations. Compatibility with manual transmission models is unlikely without modifications.

What does the grade B condition mean for this engine?

Grade B indicates the engine is in good condition with some signs of use or minor issues. It is not in like-new condition and may require some maintenance or repairs.

Can the fire damage affect the engine's performance?

Fire damage can impact various engine components and overall reliability. It is important to review detailed condition reports and possibly have a professional inspection before purchase.

Source review