No.A6240 – ISUZU (4JJ1) Crankshaft Front Oil Seal & Slinger Installer

The A6240 ISUZU Crankshaft Front Oil Seal & Slinger Installer is a dedicated precision service tool engineered specifically for the accurate, damage-free press-installation of the front crankshaft oil seal and oil slinger on Isuzu 4JJ1 diesel engines. Designed to meet factory workshop standards, this tool guarantees that the replacement seal and slinger are seated squarely and to the exact manufacturer depth, preventing oil seal distortion, lip damage, and premature front engine oil leaks.

Key Product Features

  • Dual Component Installation: Specifically designed to press both the front crankshaft oil seal and the oil slinger cleanly and evenly into position in one controlled operation.

  • Precise Depth & Alignment: Prevents uneven seating, seal lip inversion, or cocking in the timing case bore, ensuring a reliable factory seal.

  • OEM-Equivalent Tooling: Matches the form, fit, and function of factory original tool Isuzu OEM 5-8840-2855-0.

  • Protects Crankshaft Surface: Guides the seal squarely over the crankshaft snout without scratching, scoring, or damaging critical sealing surfaces.

  • Heavy-Duty Construction: Machined from high-strength carbon steel with a corrosion-resistant protective finish built for demanding workshop and fleet service environments.

Specifications & Engine Applications

  • OEM Reference Number: 5-8840-2855-0

  • Applicable Engine Code: ISUZU 4JJ1 (3.0L Turbo Diesel)

  • Typical Vehicle Applications:

    • Isuzu D-Max

    • Isuzu MU-X

    • Isuzu N-Series (NLR, NLS, NNR, NPR) Light Commercial Trucks

    • Holden Rodeo / Colorado (fitted with 4JJ1 3.0L diesel engines)

Barcode # 9322159762402
Shipping Width 8.5cm
Shipping Length 8.5cm
Shipping Height 7.6cm
Shipping Weight 0.8000kg