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MahlePart #: B45807

Mahle B45807 Engine Coolant Water Bypass Gasket
28 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda and Mercury, 323, 626, B2000, Capri, Protege, and Protege5
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Engine Coolant Water Bypass Gasket options
Mahle B45807 Engine Coolant Water Bypass Gasket
| Brand | Mahle |
|---|---|
| Part Number | B45807 |
| Gasket Material | Rubber |
| Item Grade | Oem standard |
This part fits 28 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Mazda | Protege | 2.0L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 2003 | Mazda | Protege | 1.6L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 2003 | Mazda | Protege5 | 2.0L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 2002 | Mazda | Protege | 2.0L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 2002 | Mazda | Protege | 1.6L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 2002 | Mazda | Protege5 | 2.0L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 2001 | Mazda | Protege | 2.0L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 2001 | Mazda | Protege | 1.6L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 2000 | Mazda | Protege | 1.6L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1999 | Mazda | Protege | 1.6L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1994 | Mazda | 323 | 1.8L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1994 | Mazda | Protege | 1.8L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1994 | Mercury | Capri | 1.6L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1993 | Mazda | 323 | 1.8L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1993 | Mazda | Protege | 1.8L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1993 | Mercury | Capri | 1.6L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1992 | Mazda | Protege | 1.8L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1992 | Mercury | Capri | 1.6L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1991 | Mazda | Protege | 1.8L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1991 | Mercury | Capri | 1.6L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1990 | Mazda | Protege | 1.8L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1987 | Mazda | 626 | 2.0L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1987 | Mazda | B2000 | 2.0L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1986 | Mazda | 626 | 2.0L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1986 | Mazda | B2000 | 2.0L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1985 | Mazda | 626 | 2.0L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1984 | Mazda | 626 | 2.0L | L4 | N/A | Rubber O-ring engine coolant thermostat housing gasket |
| 1983 | Mazda | 626 | 2.0L | L4 | N/A | Rubber O-ring engine coolant thermostat housing 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:
36103
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.