Apex ATC8321 Engine Camshaft Seal - Rear

Brand Apex ATC8321
Position Rear
Fits Lexus and Toyota · 40 vehicles

Camshaft seal. Helps keep engine oil contained at the camshaft opening.

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Apex ATC8321 Camshaft Seal for Toyota and Lexus

The Apex ATC8321 is an engine camshaft seal application for select Toyota and Lexus vehicles with rear camshaft sealing needs. It is a direct-fit sealing component for maintaining proper engine oil control at the camshaft area.

Key Features

  • Engine camshaft seal for rear camshaft sealing applications
  • Compatible with select Toyota Tacoma, Tundra, 4Runner, and T100 models
  • Also fits select Lexus LS400 and SC400 rear applications
  • Part number ATC8321 for accurate ordering and lookup
  • Designed for engine gasket and sealing system service

Detailed Description

Apex ATC8321 is a camshaft rear seal plug set application used in engine sealing service on select Toyota and Lexus vehicles. It fits 1995-2004 Toyota Tacoma, 2000-2004 Toyota Tundra, 1996-2002 Toyota 4Runner, and 1995-1998 Toyota T100 with camshaft rear seal plug set notes. It also fits 1990-1997 Lexus LS400, rear, and 1992-1997 Lexus SC400, rear. Use ATC8321 when servicing the rear camshaft sealing area to restore proper oil containment at the engine’s sealing surface.

What It Helps Address

  • Oil seepage at the rear camshaft sealing area
  • Visible engine oil leaks near the back of the cylinder head
  • Sealing wear from age, heat, and mileage
  • Maintenance needs during engine reseal or top-end service
  • Replacement of a damaged or hardened camshaft seal plug

Installation Notes and Tips

Confirm engine application, position, and rear seal plug configuration before installation. Clean the sealing surface thoroughly and inspect the camshaft area for wear, scoring, or contamination that could affect sealing performance. Verify fitment by year, make, model, and position before ordering. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Apex engine sealing components are cataloged for specific vehicle applications to support accurate fitment selection. Part number ATC8321 should be matched to the vehicle listing before installation.

This part fits 40 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004ToyotaTacoma3.4LV6N/ACamshaft Rear Seal Plug Set
2004ToyotaTundra3.4LV6N/ACamshaft Rear Seal Plug Set
2003ToyotaTacoma3.4LV6N/ACamshaft Rear Seal Plug Set
2003ToyotaTundra3.4LV6N/ACamshaft Rear Seal Plug Set
2002Toyota4Runner3.4LV6N/ACamshaft Rear Seal Plug Set
2002ToyotaTacoma3.4LV6N/ACamshaft Rear Seal Plug Set
2002ToyotaTundra3.4LV6N/ACamshaft Rear Seal Plug Set
2001Toyota4Runner3.4LV6N/ACamshaft Rear Seal Plug Set
2001ToyotaTacoma3.4LV6N/ACamshaft Rear Seal Plug Set
2001ToyotaTundra3.4LV6N/ACamshaft Rear Seal Plug Set
2000Toyota4Runner3.4LV6N/ACamshaft Rear Seal Plug Set
2000ToyotaTacoma3.4LV6N/ACamshaft Rear Seal Plug Set
2000ToyotaTundra3.4LV6N/ACamshaft Rear Seal Plug Set
1999Toyota4Runner3.4LV6N/ACamshaft Rear Seal Plug Set
1999ToyotaTacoma3.4LV6N/ACamshaft Rear Seal Plug Set
1998Toyota4Runner3.4LV6N/ACamshaft Rear Seal Plug Set
1998ToyotaT1003.4LV6N/ACamshaft Rear Seal Plug Set
1998ToyotaTacoma3.4LV6N/ACamshaft Rear Seal Plug Set
1997LexusLS4004.0LV8RearRear Plug
1997LexusSC4004.0LV8RearRear Plug
1997Toyota4Runner3.4LV6N/ACamshaft Rear Seal Plug Set
1997ToyotaT1003.4LV6N/ACamshaft Rear Seal Plug Set
1997ToyotaTacoma3.4LV6N/ACamshaft Rear Seal Plug Set
1996LexusLS4004.0LV8RearRear Plug
1996LexusSC4004.0LV8RearRear Plug
1996Toyota4Runner3.4LV6N/ACamshaft Rear Seal Plug Set
1996ToyotaT1003.4LV6N/ACamshaft Rear Seal Plug Set
1996ToyotaTacoma3.4LV6N/ACamshaft Rear Seal Plug Set
1995LexusLS4004.0LV8RearRear Plug
1995LexusSC4004.0LV8RearRear Plug
1995ToyotaT1003.4LV6N/ACamshaft Rear Seal Plug Set
1995ToyotaTacoma3.4LV6N/ACamshaft Rear Seal Plug Set
1994LexusLS4004.0LV8RearRear Plug
1994LexusSC4004.0LV8RearRear Plug
1993LexusLS4004.0LV8RearRear Plug
1993LexusSC4004.0LV8RearRear Plug
1992LexusLS4004.0LV8RearRear Plug
1992LexusSC4004.0LV8RearRear Plug
1991LexusLS4004.0LV8RearRear Plug
1990LexusLS4004.0LV8RearRear Plug