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2025 Chevrolet Silverado, GMC Sierra 2500 HD 3500 HD Fuse Block 6.6L OEM

$ 101.76
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2025 Fuse Block for Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD and Sierra 3500 HD

This is a Genuine OEM GM fuse block for 2025 Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD and Sierra 3500 HD trucks. It is for vehicles with the 6.6L V8 Diesel engine, auxiliary battery and dual alternator.

Fitment Alert – Confirm These Details Before You Order

Check each line below against your vehicle before ordering.

Chevrolet Silverado 2500 HD 2025, 6.6L V8 Diesel, with auxiliary battery and dual alternator
Chevrolet Silverado 3500 HD 2025, 6.6L V8 Diesel, with auxiliary battery and dual alternator
GMC Sierra 2500 HD 2025, 6.6L V8 Diesel, with auxiliary battery and dual alternator
GMC Sierra 3500 HD 2025, 6.6L V8 Diesel, with auxiliary battery and dual alternator
Engine 6.6L V8 Diesel (Duramax) only
Required Equipment Auxiliary battery system and dual alternator configuration
Does NOT Fit Trucks without the auxiliary battery or without the dual alternator
Programming Requires programming and special setup to operate in the vehicle
Part Type Fuse Block

Quick Part Facts

  • Condition: New
  • Part Type: Fuse Block
  • Brand: Genuine GM OEM
  • Year: 2025
  • Makes: Chevrolet, GMC
  • Models: Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, Sierra 3500 HD
  • Engine: 6.6L V8 Diesel
  • Compatibility: With auxiliary battery; with dual alternator
  • Programming: Required

Fitment Chart

Year Range Make Model Trim/Engine Notes/Options
2025 Chevrolet Silverado 2500 HD Custom Extended Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 Chevrolet Silverado 2500 HD High Country Crew Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 Chevrolet Silverado 2500 HD LT Crew Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 Chevrolet Silverado 2500 HD LTZ Crew Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 Chevrolet Silverado 2500 HD WT Extended Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 Chevrolet Silverado 2500 HD ZR2 Crew Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 Chevrolet Silverado 3500 HD High Country Crew Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 Chevrolet Silverado 3500 HD LT Cab & Chassis; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 Chevrolet Silverado 3500 HD LTZ Crew Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 Chevrolet Silverado 3500 HD WT Crew Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 GMC Sierra 2500 HD AT4 Crew Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 GMC Sierra 2500 HD AT4X Crew Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 GMC Sierra 2500 HD Denali Crew Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 GMC Sierra 2500 HD Denali Ultimate Crew Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 GMC Sierra 2500 HD Pro Standard Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 GMC Sierra 2500 HD SLE Crew Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 GMC Sierra 2500 HD SLT Crew Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 GMC Sierra 3500 HD AT4 Crew Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 GMC Sierra 3500 HD Denali Crew Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
2025 GMC Sierra 3500 HD Denali Ultimate Crew Cab; 6.6L V8 Diesel With auxiliary battery; With dual alternator
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