RHAOCZIYAUTO Battery Distribution Fuse Block — Fit Chevy Silverado & GMC Sierra 2019–2025, OEM Replacement Reinforced ABS

RHAOCZIYAUTO's underhood battery distribution fuse block is an OEM-style replacement that protects and routes power for critical engine systems on 2019–2025 Chevy Silverado and GMC Sierra trucks.

This heavy-duty fuse block replaces GM part numbers 84646134, 84493556 and 85015808 to restore factory routing and protection for components like the ABS pump, engine control unit, and cooling system. Molded from reinforced ABS and fitted with durable metal contacts, the unit resists impact, heat, corrosion and pressure for dependable underhood service.

How does this fuse block protect my truck's engine systems?

The fuse block consolidates and distributes battery power while housing fuses and connections that isolate faults. When an electrical problem occurs, the block's fuses help prevent damage to sensitive components and keep power from cascading through unrelated circuits.

• Houses fuses and connectors for ABS, ECU, and cooling components
• Routes battery power through protected terminals and bus bars
• Helps prevent electrical shorts from affecting multiple systems

Will this part fit my Silverado or Sierra and replace the OEM unit?

This RHAOCZIYAUTO unit is designed to match factory fit and function for specific model years and configurations. It lists direct compatibility with Silverado and Sierra models from 2019 through 2025 and references the OEM numbers it replaces for straightforward swaps.

• Compatible with Chevy Silverado 1500 (2019–2022) and 1500 LTD (2020)
• Fits Silverado 2500HD/3500HD and GMC Sierra 2500HD/3500HD (2020–2024)
• Replaces GM #84646134, #84493556 and #85015808 for correct interchange

What materials and features ensure long-term durability?

The assembly uses reinforced ABS plastic for the housing and quality metal contacts for current-carrying parts, providing resistance to abrasion, heat and corrosion. Those material choices help the block tolerate underhood temperatures and vibration while maintaining electrical integrity.

• Reinforced ABS housing resists impact and heat
• Corrosion-resistant metal terminals ensure reliable connections
• Designed for OEM-quality performance and fitment

How straightforward is installation and what should I check?

Installation is typically a direct replacement when the truck's model and year match the part's fitment. Before installation, verify the GM part number on your original fuse block, disconnect the battery, and inspect harness connectors for corrosion or damage.

• Confirm compatibility using your truck's year/model and OEM number
• Disconnect battery and photograph connectors for reassembly reference
• Check connector mating surfaces and secure mounting points after install

Who is this for? Technicians, fleet managers and DIY mechanics who need a dependable underhood power distribution solution for 2019–2025 Chevy Silverado and GMC Sierra trucks will benefit from this RHAOCZIYAUTO replacement. It’s suitable for vehicles requiring the OEM-replacement numbers listed, and for anyone wanting robust materials and accurate fitment to restore factory electrical protection.