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Dorman 42039 Brake Master Cylinder Reservoir CapOE Quality 60-Day Returns
Part #: 42039

Dorman 42039 Brake Master Cylinder Reservoir Cap

44 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, 323, 626, 929, B2000, B2200, B2600, MPV, Protege, and RX-7
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
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Dorman 42039 Brake Master Cylinder Reservoir Cap
BrandDorman
Part Number42039
MaterialPlastic
ShapeRound
Gasket Or Seal IncludedNo
Package Contents1 brake master cylinder cap
Seal IncludedNot required

This part fits 44 vehicles. Search below:

YearMakeModelPositionNotes
1991MazdaMPVN/ATo VIN 353630
1991MazdaRX-7N/A
1990Mazda323N/A
1990Mazda929N/A
1990MazdaB2200N/A
1990MazdaB2600N/A
1990MazdaMPVN/ATo VIN 353630
1990MazdaProtegeN/A
1990MazdaRX-7N/A
1989Mazda323N/A
1989Mazda929N/A
1989MazdaB2200N/A
1989MazdaB2600N/A
1989MazdaMPVN/ATo VIN 353630
1989MazdaRX-7N/A
1988Mazda323N/A
1988Mazda929N/A
1988MazdaB2200N/A
1988MazdaB2600N/A
1988MazdaRX-7N/A
1987Mazda323N/A
1987Mazda626N/A
1987MazdaB2000N/A
1987MazdaB2200N/A
1987MazdaB2600N/A
1987MazdaRX-7N/A
1986Mazda323N/A
1986Mazda626N/A
1986MazdaB2000N/A
1986MazdaRX-7N/A
1985Mazda626N/A
1985MazdaRX-7N/A
1984Mazda626N/A
1984MazdaB2000N/A
1984MazdaB2200N/A
1984MazdaRX-7N/A
1983Mazda626N/A
1983MazdaB2000N/A
1983MazdaB2200N/A
1983MazdaRX-7N/A
1982MazdaB2000N/A
1982MazdaB2200N/A
1982MazdaRX-7N/A
1981MazdaRX-7N/A

* 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:

B09349580BO93-49-580

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