Vehicle lookup
Find parts that fit
your exact vehicle

Select your year, make and model to instantly filter our entire inventory — no guesswork, no returns.

Ford GM / Chevy Honda Toyota Ram Jeep Nissan Mazda + more
Select your vehicle
Covers 25+ makes & hundreds of models
Browsing for:

2019-2025 Silverado Sierra w/Aux Battery Junction Block OEM

Regular price $ 131.93
100% Genuine OEM Factory original part
Flat Rate $8.97 Shipping Any order, any size
Easy Returns No-hassle return policy
Secure Checkout SSL encrypted payment
Flat Rate Shipping
Any order • Any size • USA
$8.97
Have a question?
Check our FAQ for quick answers

This is a Genuine OEM GM Junction Block for the 2019–2025 Chevrolet Silverado and GMC Sierra full-size trucks. It is a direct-fit replacement designed to restore proper electrical distribution to the vehicle's battery and power circuit.

This Genuine GM part applies to vehicles equipped with an auxiliary battery and without a dual alternator, in a primary battery configuration. Compatible with 2.7L Turbo, 3.0L Duramax Diesel (I6), and 6.6L V8 Gas engines.

Quick Part Facts

  • Condition: New Genuine OEM GM
  • Part Type: Junction Block
  • Engines: 2.7L Turbo, 3.0L Duramax Diesel, 6.6L V8 Gas
  • Required Options: With auxiliary battery; Without dual alternator; Primary battery configuration
  • Direct OEM replacement — no modification required

Fitment

Year Range Make Model Trim/Engine Notes/Options
2019–2025 Chevrolet Silverado 2.7L Turbo, 3.0L Duramax Diesel, 6.6L V8 Gas With auxiliary battery; Without dual alternator; Primary battery
2019–2025 GMC Sierra 2.7L Turbo, 3.0L Duramax Diesel, 6.6L V8 Gas With auxiliary battery; Without dual alternator; Primary battery