This alternator sliding adjuster plate is designed as an OE-equivalent replacement for ISUZU NRR, NQR, NPR, and NPR-HD trucks equipped with 4HG1 4.6L or 4HE1 4.8L engines from 1998 to 2004. It allows precise alternator positioning and belt tension adjustment, ensuring proper drive belt alignment and reliable alternator operation. Manufactured to OEM dimensional specifications, this adjuster plate provides accurate fitment, secure mounting, and smooth sliding adjustment. Ideal for replacing bent, worn, or damaged alternator adjuster plates during belt service or engine accessory repair.

Exact OE-Spec Adjuster Plate — Designed to match factory dimensions for proper alternator alignment and belt tensioning

Vehicle Compatibility — Fits ISUZU NRR, NQR, NPR, and NPR-HD trucks (1998–2004) with 4HG1 4.6L and 4HE1 4.8L engines

Supports Proper Belt Tension — Allows accurate alternator positioning to maintain correct drive belt tension

Durable Metal Construction — Built to withstand vibration, engine heat, and continuous operation

Prevents Belt Noise & Slippage — Helps reduce belt squeal and uneven belt wear

Direct Replacement Fit — Installs using factory mounting points with no modifications required

OEM

8971724150 / 8970614661