This complete front axle knuckle kit, including left and right knuckles and king pins, is designed as a direct OEM-equivalent replacement for ISUZU NRR, NQR, NPR, and NPR-HD trucks equipped with 4HE1 or 4HK1 diesel engines, covering model years 1999 to 2025. Engineered to restore precise steering geometry, reduce play, and ensure smooth operation, this kit delivers reliable performance under heavy-duty conditions. Ideal for worn, damaged, or loose knuckles and king pins in commercial vehicles.

Complete OEM-Equivalent Kit: Includes left and right front axle knuckles and king pins for full replacement.

Truck-Specific Compatibility: Fits ISUZU NRR, NQR, NPR, and NPR-HD (1999–2025) with 4HE1 or 4HK1 diesel engines.

Restores Steering Performance: Ensures precise wheel alignment, smooth turning, and eliminates excessive play.

Durable & Heavy-Duty: Built to withstand heavy loads, rough roads, and commercial fleet operation.

Reliable & Safe: Maintains proper steering geometry for safe driving and even tire wear.

Easy Installation: Direct OEM replacement using factory mounting points; no modifications required.

OEM

8972306840 / 8972615500 / 8972615501

8972615502 / 8972615503 / 8972615504

8972615360 / 8972306830 / 8972615490

8972615491 / 8972615492 / 8972615493

8972615494

5878316081 / 5878316082 / 5878321830 / 5878321831 / 5878321832 / 5878321833 

5878309780 / 5878305360 / 5878322201 / 5878324000 / 5878324001 / 5878322200 

5878322202 / 5878322203 / 5878322204 / 5878322110 / 5878322111 / 5878322112 

5878316080 / 5878316083 / 5878316084 / 5878316085 / 5878316086 / 5878321390 

5878321391 / 5878321392 / 5878321970 / 5878321971 / 5878321972 / 5878322540 

5878322540