GASKET KIT, UPPER ENGINE - CUMMINS ('89-'98, 5.9L - 12V)

Item #: 4089649
*Backordered: 1/31/2025
Qty.
  • About This Product
  • Reviews
  • Install And Tech Information

Description

If you really like to dig into the innards of the Cummins engine, we have the upper engine gaskets for when you put it all back together. The gaskets are Cummins OEM so you don't have to worry if they will fit correctly or hold up in the long run.

Upper engine gasket kit includes:

  • (1) 3283335 Cylinder Head Gasket
  • (1) 3883284 O-Ring Seal
  • (6) 3900808 Injector Seal
  • (1) 3901356 Turbocharger Gasket
  • (1) 3902425 Sealing Washer - M22
  • (1) 3906694 Rectangular Ring Seal
  • (1) 3906773 Sealing Washer
  • (6) 3910824 O-Ring Seal
  • (1) 3912220 Exhaust Outlet Connection Gasket
  • (2) 3918188 Sealing Washer
  • (6) 3919358 Injector Sleeve
  • (6) 3923261 Injector Seal
  • (1) 3923331 Thermostat Housing Cover Gasket
  • (6) 3929881 Exhaust Manifold Gasket
  • (6) 3930324 Injector Seal
  • (6) 3930906 Valve Cover Gasket
  • (6) 3935449 Noise Isolator
  • (1) 3936876 Rectangular Ring Seal
  • (6) 3937142 Injector Seal
  • (1) 3937706 Oil Drain Gasket
  • (1) 3938152 Intake Manifold Cover Gasket
  • (12) 3957912 Valve Stem Seal
  • (2) 3963988 Sealing Washer - M14
  • (6) 4942278 Banjo Connector Seal

Reviews

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99% complete!
Apr 25, 2017  |  By Michael McTier
Great gasket set! The only additional item not included were the medium size banjo washers that attach the fuel lines to the filter head/bracket. 4 will be needed. The remainder of the banjo washers were included and everything else!


Exactly what was ordered
Aug 9, 2017  |  By Tim
Fast shipping and excellent packaging. Gasket kit was exactly what I needed for a heads asked if. My teuck.

Install and Tech Information


Download 4089649 Gasket Set List (PDF)

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