Mahle 67123 Engine Crankshaft Seal - Rear

Brand Mahle 67123
Position Rear
Additional Package Contents None
Gasket Included No
Item Grade OEM Standard
Seal Material Rubber
Seal Style One Piece
Fits Nissan · 39 vehicles

OEM standard. Built to match original equipment expectations for dependable sealing.

Rubber seal. Provides flexible sealing performance in an engine sealing application.

One-piece design. Simplifies installation with a single integrated seal construction.

Cross-references Datsun/Nissan 12279-2B500, Datsun/Nissan 12279-42L00 and Datsun/Nissan 12279-85G00 for the same application. See all 5.

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Mahle 67123 Rear Crankshaft Seal

Mahle 67123 is an OEM-standard engine crankshaft seal built with rubber seal material and a one-piece seal style for rear crankshaft sealing applications. It is a direct-fit service part for select Nissan models, including Frontier, Xterra, Altima, 240SX, Pickup, and D21.

Key Features

  • OEM Standard item grade for factory-style sealing performance
  • Rubber seal material for dependable crankshaft sealing
  • One-piece seal style for rear engine sealing service
  • Gasket included: No
  • Additional package contents: None
  • Mahle engine sealing component for Nissan rear crankshaft seal replacement

Application Details

Compatible with rear crankshaft seal service on 1989-2004 Nissan applications. This part number, 67123, is commonly searched for Nissan Frontier rear crankshaft seal, Nissan Xterra rear crankshaft seal, and Nissan Altima rear crankshaft seal replacement needs. This part cross-references FEL-PRO (e.g., BS 40384, BS 40664) for the same application.

  • Fits 1998-2004 Nissan Frontier, Rear
  • Fits 2000-2004 Nissan Xterra, Rear
  • Fits 1993-2001 Nissan Altima, Rear
  • Fits 1989-1998 Nissan 240SX, Rear
  • Fits 1995-1997 Nissan Pickup, Rear
  • Fits 1990-1994 Nissan D21, Rear

What It Helps Address

  • Rear main seal oil leakage
  • Oil seepage at the crankshaft sealing surface
  • Contamination from worn or hardened seal material
  • Loss of crankcase sealing integrity during engine service

Installation Notes

Inspect the crankshaft sealing surface before installation and clean the housing thoroughly. Replace the seal during rear engine service when oil leakage is present, and verify correct orientation and seating depth during installation. For Nissan Frontier, Xterra, and Altima rear seal service, confirm engine-specific application details before assembly.

Quality Assurance

Mahle supplies OEM-standard sealing products used by technicians and OEMs worldwide. Part number 67123 is built to meet factory-style sealing requirements for rear crankshaft seal replacement.

This part fits 39 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004NissanFrontier2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
2004NissanXterra2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
2003NissanFrontier2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
2003NissanXterra2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
2002NissanFrontier2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
2002NissanXterra2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
2001NissanAltima2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
2001NissanFrontier2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
2001NissanXterra2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
2000NissanAltima2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
2000NissanFrontier2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
2000NissanXterra2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1999NissanAltima2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1999NissanFrontier2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1998Nissan240SX2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1998NissanAltima2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1998NissanFrontier2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1997Nissan240SX2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1997NissanAltima2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1997NissanPickup2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1996Nissan240SX2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1996NissanAltima2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1996NissanPickup2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1995Nissan240SX2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1995NissanAltima2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1995NissanPickup2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1994Nissan240SX2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1994NissanAltima2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1994NissanD212.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1993Nissan240SX2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1993NissanAltima2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1993NissanD212.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1992Nissan240SX2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1992NissanD212.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1991Nissan240SX2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1991NissanD212.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1990Nissan240SX2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1990NissanD212.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
1989Nissan240SX2.4LL4RearMay be compatible with Distributor Mounting Gasket and Engine Intake Manifold Gasket Set.
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Datsun/Nissan — 12279-2B500Datsun/Nissan — 12279-42L00Datsun/Nissan — 12279-85G00FEL-PRO — BS 40384FEL-PRO — BS 40664