Dorman 42038 Brake Master Cylinder Reservoir Cap

Name: Dorman 42038 Brake Master Cylinder Reservoir Cap
Brand: Dorman
SKU: BCZF-42038
Price: 53.00 USD
Availability: InStock

102 vehicles fit this part

Select your vehicle to confirm fitment

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OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Acura and Honda, Accord, Civic, Civic del Sol, CL, CR-V, CRX, Integra, Odyssey, Prelude, and TL

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Brake Master Cylinder Reservoir Cap for Honda and Acura

Dorman 42038 is a round plastic brake master cylinder reservoir cap made to match the fit and function of the original cap on specified vehicles. It is built for durable, reliable performance on Honda and Acura brake master cylinder reservoirs.

Key Features

Round plastic construction for OE-style fit
Matches the original cap’s fit and function on listed applications
No gasket or seal required
Package includes 1 brake master cylinder cap
Direct replacement for select Honda and Acura models

Product Details

This Dorman brake master cylinder reservoir cap, part number 42038, is designed for vehicles that use a round reservoir cap without a separate seal. It cross-references Honda part number 46662S04J01 for the same application. Compatible With 1998-2002 Honda Accord, 1980-2000 Honda Civic, 1997-2001 Honda CR-V, 1997-2001 Honda Prelude, 1998 Honda Odyssey, 1993-1997 Honda Civic del Sol, 1988-1991 Honda CRX, 1997-2003 Acura TL, 1998-1999 Acura CL, 2001-2003 Acura CL, and 1997-2001 Acura Integra. The Dorman 42038 is a practical replacement when the original reservoir cap is cracked, missing, or no longer sealing properly at the reservoir opening.

What It Helps Solve

Broken or missing brake master cylinder reservoir cap
Cap that no longer matches the reservoir opening
Loss of proper reservoir closure from a damaged plastic cap
Replacement needs after service on Honda or Acura brake systems
Wear-related deterioration of the original cap

Installation Notes and Tips

Verify the reservoir shape and application before installation. This cap is round and does not use a separate gasket or seal. Confirm the vehicle year, make, and model against the listed fitment before ordering, especially on Honda Accord, Honda Civic, and Acura TL applications.

Quality Assurance

Dorman engineers this cap to match original fit and function on specified vehicles and to deliver dependable service in brake system applications.

Brand	Dorman
Part Number	42038
Material	Plastic
Shape	Round
Gasket Or Seal Included	No
Package Contents	1 brake master cylinder cap
Seal Included	Not required

This part fits 102 vehicles. Search below:

Year	Make	Model	Submodel	Body Type	# Doors	Drive Type	Liters	Cylinders	Position
2003	Acura	CL							N/A
2003	Acura	TL							N/A
2002	Acura	CL							N/A
2002	Acura	TL							N/A
2002	Honda	Accord							N/A
2001	Acura	CL							N/A
2001	Acura	Integra							N/A
2001	Acura	TL							N/A
2001	Honda	Accord							N/A
2001	Honda	CR-V							N/A
2001	Honda	Prelude							N/A
2000	Acura	Integra							N/A
2000	Acura	TL							N/A
2000	Honda	Accord							N/A
2000	Honda	Civic							N/A
2000	Honda	CR-V							N/A
2000	Honda	Prelude							N/A
1999	Acura	CL							N/A
1999	Acura	Integra							N/A
1999	Acura	TL							N/A
1999	Honda	Accord							N/A
1999	Honda	Civic							N/A
1999	Honda	CR-V							N/A
1999	Honda	Prelude							N/A
1998	Acura	CL							N/A
1998	Acura	Integra							N/A
1998	Acura	TL					2.5L	L5	N/A
1998	Honda	Accord							N/A
1998	Honda	Civic							N/A
1998	Honda	CR-V							N/A
1998	Honda	Odyssey							N/A
1998	Honda	Prelude							N/A
1997	Acura	Integra	GS						N/A
1997	Acura	Integra	GS-R						N/A
1997	Acura	Integra	Type R						N/A
1997	Acura	Integra	LS						N/A
1997	Acura	TL					2.5L	L5	N/A
1997	Honda	Civic							N/A
1997	Honda	Civic del Sol							N/A
1997	Honda	CR-V							N/A
1997	Honda	Prelude							N/A
1996	Honda	Civic							N/A
1996	Honda	Civic del Sol							N/A
1995	Honda	Civic	LX						N/A
1995	Honda	Civic	CX						N/A
1995	Honda	Civic	DX						N/A
1995	Honda	Civic	Si						N/A
1995	Honda	Civic	VX						N/A
1995	Honda	Civic del Sol							N/A
1994	Honda	Civic	LX						N/A
1994	Honda	Civic	CX						N/A
1994	Honda	Civic	DX						N/A
1994	Honda	Civic	Si						N/A
1994	Honda	Civic	VX						N/A
1994	Honda	Civic del Sol	S						N/A
1994	Honda	Civic del Sol	Si						N/A
1993	Honda	Civic	LX						N/A
1993	Honda	Civic	CX						N/A
1993	Honda	Civic	DX						N/A
1993	Honda	Civic	Si						N/A
1993	Honda	Civic	VX						N/A
1993	Honda	Civic del Sol							N/A
1992	Honda	Civic							N/A
1991	Honda	Civic			2 Door				N/A
1991	Honda	Civic	LX						N/A
1991	Honda	Civic	DX		4 Door				N/A
1991	Honda	Civic	RT 4WD						N/A
1991	Honda	CRX	HF						N/A
1990	Honda	Civic	LX						N/A
1990	Honda	Civic	Base		2 Door				N/A
1990	Honda	Civic	DX		4 Door				N/A
1990	Honda	Civic	RT 4WD						N/A
1990	Honda	CRX	HF						N/A
1989	Honda	Civic		Sedan					N/A
1989	Honda	Civic		Wagon		FWD			N/A
1989	Honda	Civic		Hatchback					N/A
1989	Honda	CRX							N/A
1988	Honda	Civic		Sedan					N/A
1988	Honda	Civic		Wagon		FWD			N/A
1988	Honda	Civic		Hatchback					N/A
1988	Honda	CRX							N/A
1987	Honda	Civic							N/A
1986	Honda	Accord							N/A
1986	Honda	Civic							N/A
1985	Honda	Accord							N/A
1985	Honda	Civic							N/A
1984	Honda	Accord							N/A
1984	Honda	Civic							N/A
1984	Honda	Prelude							N/A
1983	Honda	Accord							N/A
1983	Honda	Civic							N/A
1983	Honda	Prelude							N/A
1982	Honda	Accord							N/A
1982	Honda	Civic							N/A
1982	Honda	Prelude							N/A
1981	Honda	Accord							N/A
1981	Honda	Civic							N/A
1981	Honda	Prelude							N/A
1980	Honda	Accord							N/A
1980	Honda	Civic							N/A
1980	Honda	Prelude							N/A
1979	Honda	Prelude							N/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:

46662S04J01

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