HomeBelts and Cooling > Gaskets and Sealing SystemsMahle C31504 Engine Coolant Water Bypass Gasket
Part #: C31504

Mahle C31504 Engine Coolant Water Bypass Gasket

14 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Toyota, 4Runner, Pickup, and T100
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Engine Coolant Water Bypass Gasket for Toyota

MAHLE C31504 is an OEM standard engine coolant water bypass gasket made with paper gasket material for reliable sealing in the cooling system. It is built for select Toyota applications, including 1990-1995 Toyota 4Runner, 1990-1995 Toyota Pickup, and 1993-1994 Toyota T100.

Key Features

  • Paper gasket material for a precise sealing surface
  • OEM Standard item grade for factory-style fit and function
  • Engine coolant water bypass gasket for cooling system service
  • MAHLE sealing product trusted by OEMs and technicians
  • Direct application coverage for Toyota 4Runner, Pickup, and T100

Detailed Description

MAHLE C31504 is an engine coolant water bypass gasket engineered for sealing the bypass passage in the cooling system. The paper gasket construction supports a clean mating surface and consistent compression during service. For buyers searching for a Toyota 4Runner coolant bypass gasket, Toyota Pickup water bypass gasket, or Toyota T100 cooling system gasket, this part provides an OEM standard replacement option. This part cross-references Toyota 16258-65020 for the same application.

What This Gasket Helps Address

  • Coolant seepage at the water bypass sealing surface
  • Loss of sealing integrity during cooling system repair
  • Leaks caused by a worn or damaged bypass gasket
  • Service replacement for aging Toyota cooling components
  • Fitment-specific repair needs on 1990-1995 Toyota 4Runner, Pickup, and 1993-1994 Toyota T100

Installation Notes and Tips

Install on a clean, dry mating surface and remove all old gasket material before assembly. Verify the part number C31504 against the vehicle application before installation, especially on 1990-1995 Toyota 4Runner and Toyota Pickup models and 1993-1994 Toyota T100. Follow the vehicle service procedure for torque sequence and coolant refill after the repair.

Quality Assurance

MAHLE gaskets are used in OEM-style sealing applications and are trusted by technicians for service work that requires consistent sealing performance. C31504 is built to OEM standard specifications for the listed Toyota applications.

BrandMahle
Part NumberC31504
Gasket MaterialPaper
Item GradeOem standard

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995Toyota4Runner3.0LV6N/ANot compatible with paper engine oil pan gasket.
1995ToyotaPickup3.0LV6N/ANot compatible with paper engine oil pan gasket.
1994Toyota4Runner3.0LV6N/ANot compatible with paper engine oil pan gasket.
1994ToyotaPickup3.0LV6N/ANot compatible with paper engine oil pan gasket.
1994ToyotaT1003.0LV6N/ANot compatible with paper engine oil pan gasket.
1993Toyota4Runner3.0LV6N/ANot compatible with paper engine oil pan gasket.
1993ToyotaPickup3.0LV6N/ANot compatible with paper engine oil pan gasket.
1993ToyotaT1003.0LV6N/ANot compatible with paper engine oil pan gasket.
1992Toyota4Runner3.0LV6N/ANot compatible with paper engine oil pan gasket.
1992ToyotaPickup3.0LV6N/ANot compatible with paper engine oil pan gasket.
1991Toyota4Runner3.0LV6N/ANot compatible with paper engine oil pan gasket.
1991ToyotaPickup3.0LV6N/ANot compatible with paper engine oil pan gasket.
1990Toyota4Runner3.0LV6N/ANot compatible with paper engine oil pan gasket.
1990ToyotaPickup3.0LV6N/ANot compatible with paper engine oil pan gasket.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

16258-65020

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.