Product Description
MAHLE JV1622 is an OE-quality rear main seal set for the 1989–2002 5.9L Cummins (12-valve & 24-valve). It restores a factory-tight seal at the rear crank, helping stop oil leaks and protect the clutch or torque converter area. Installation tool sold separately (see GS33491).
- Application: 5.9L Cummins 12V (’89–’98) and 24V (’98.5–’02)
- Includes: Rear crankshaft seal and seal housing gasket
- OE form/fit/function; meets or exceeds OEM specs
- MPN: JV1622 • UPC/GTIN: 757522722278
Fitment
- 1989–1993 Dodge Ram (D/W 250 & 350) with 5.9L Cummins
- 1994–2002 Dodge Ram 2500 / 3500 with 5.9L Cummins (12V & 24V)
Cross Reference Numbers
- Cummins: 3901019, 3904323, 3909410, 3914386, 3928493, 3934486, 3938159, 4947667
- Rear crank seal kit reference: 4089342
Notes
- May require use of installation tool GS33491 (not included).
FAQ
Will this fit both 12-valve and 24-valve 5.9L Cummins?
Yes—JV1622 covers 1989–2002 Cummins 5.9L, including 12V (’89–’98) and 24V (’98.5–’02).
What’s included in the box?
The rear crankshaft seal and the rear cover (seal housing) gasket. Installation tool is sold separately.
Do I need a special tool?
MAHLE and many installers recommend tool GS33491 for correct depth and to avoid damaging the lip.
Any install tips?
Inspect the crank flange and housing for wear; clean, dry, and align per Cummins service procedure. Lightly oil the seal lip and verify even seating.
