Engine Compartment Distribution Fuse Block/Junction Block, Replaces OE#84732905, Supersedes 85015810, Replaces 84646135, Compatible with Chevrolet Silverado & GMC Sierra 2020-2023 6.6L Diesel

Battery Distribution Fuse Block (Junction Block)OE#: 84732905 (replaces 84646135; superseded by 85015810)Placement: engine compartment battery distribution fuse blockFunction: routes battery power to underhood circuits and fusesWhen to ReplaceCommon symptoms may include intermittent power loss, heat-damaged terminals, loose battery feed connections, or repeated fuse issues (diagnose per service manual).Installation NotesDisconnect negative battery cable(s) before service and follow the vehicle service manual.Match the OE number and compare studs, terminals, connector layout, and mounting points before tightening.Confirm fitment by OE# 84732905 (or VIN/manual) before purchase.Related Service Parts (Confirm by VIN)Cover 84336357; Cable Assy 84655051; Cable Assy 84772924; Cable Assy 84655053; Bolt 11561109; Nut 11610091; Stud 11601862; Screw 11570961; Terminal 84335255.

• Part Type: Battery Distribution Engine Compartment Fuse Block (Junction Block); supports underhood power distribution and high-current battery feeds. OE#: 84732905; Replaces#: 84646135; Superseded by#: 85015810. Listing is for the fuse block assembly only (included contents are as shown in photos). Before ordering, match the OE number and compare terminals/stud positions, connector layout, and mounting points to your original.
• Install/Replace Tips: Disconnect the negative battery cable(s) before service; label cables and fuses, and follow the vehicle service manual. Typical placement is the engine compartment/underhood area as the battery distribution fuse block. Confirm fitment by OE# 84732905 (or VIN/manual) and verify connector/stud positions before tightening; do not force connectors; ensure fasteners are torqued to spec.
• Compatible with 2020 Chevrolet Silverado 6.6L Diesel Engine Compartment Battery Distribution Fuse Block; Compatible with 2021 Chevrolet Silverado 6.6L Diesel Engine Compartment Battery Distribution Fuse Block; Compatible with 2022 Chevrolet Silverado 6.6L Diesel Engine Compartment Battery Distribution Fuse Block; Compatible with 2023 Chevrolet Silverado 6.6L Diesel Engine Compartment Battery Distribution Fuse Block.
• Compatible with 2020 GMC Sierra 6.6L Diesel Engine Compartment Battery Distribution Fuse Block; Compatible with 2021 GMC Sierra 6.6L Diesel Engine Compartment Battery Distribution Fuse Block; Compatible with 2022 GMC Sierra 6.6L Diesel Engine Compartment Battery Distribution Fuse Block; Compatible with 2023 GMC Sierra 6.6L Diesel Engine Compartment Battery Distribution Fuse Block. Related service parts in the same area may include (confirm by VIN/manual): Cover 84336357; Cable Assy 84655051; Cable Assy 84772924; Cable Assy 84655053; Bolt 11561109; Nut 11610091; Stud 11601862; Screw 11570961; Terminal 84335255.