OEM:D503

No.45022-S1A-E20

D503 is an internationally recognized FMSI standard number, corresponding to a front disc brake pad. compatible with Honda and Acura.

Spécifications

Location:

Front Axle

Width:

148.6mm

Height:

57.7mm

Thickness:

17.5mm

Pcs In Set:

Quality Certification:

ISO9001/CCC/IATF16949

Description

🔧 Product Positioning

• Brake Type: Disc brake pad for front hydraulic brake systems

• Installation Position: Front Axle

• Product Form: Typically sold as a set, including 4 brake pads for both left and right wheels — one set is sufficient for a complete front axle replacement

• Standard Number: FMSI D503 / 7382-D503

• WVA Numbers: 21651, 21652, 21653

🚗 Compatible Vehicles

The D503 brake pad is primarily compatible with the following Honda and Acura models:

Acura Model	Year Range	Source
CL	1997 – 1999
Integra	1997 – 2001
Legend	1991 – 1995
NSX	1991 – 2005
RL	1996 – 1998
TL	1995 – 1998
RSX	—

Honda Model	Year Range	Source
Accord	1991 – 2002
CR-V	1997 – 2001
Prelude	1993 – 2001
Civic	—
Odyssey	—
Oasis	1996 – 1999
Passport	—

Other Brands	Model	Source
Isuzu	Oasis (1996–1999)

💡 Purchasing & Installation Tips

Confirm Vehicle Compatibility: Verify vehicle model, year, and brake system configuration before purchasing.

Choose Friction Material Type: Select the appropriate material based on your usage requirements:

Daily driving / city commuting: Ceramic formulation — low noise, low dust
Budget replacement: Semi-metallic or low-metallic formulation — good value
Sporty driving / performance needs: Aramid fiber or carbon-fiber ceramic formulation — high-temperature resistance, fade resistance.

Check for Included Installation Hardware: Included accessories vary by brand.

Wear Indicator Configuration: This model prepares a wear indicator contact interface on some brands.

Replace in Pairs: To ensure balanced braking performance, it is recommended to replace brake pads on both left and right wheels of the same axle simultaneously. Standard kits typically contain 4 pieces (sufficient for a single axle replacement).

Verify with VIN: Vehicle configurations may vary by model year and trim level. The most reliable method is to provide the vehicle VIN (chassis number) for precise compatibility.