TRQ
SKU: BCA51989
TRQ Brake Master Cylinder Compatible with 1981-1986 Chevrolet C30 1983-1986 K30 1981-1996 P30 1987-1988 R30 1989-1991 R3500 V30 V3500 GMC C2500 C3500 K3500 P3500 1987-1991
View Price & Details on Amazon
Guaranteed Fit
Quality Tested
Easy Returns
- Reference Numbers: M39435; MC39435
- YOUR TRUSTED DIY VIDEO SOURCE: TRQ offers the largest catalog of DIY videos for replacement parts, making installation easier and repairs more accessible. Our mission is to help you "View Before You Do," with hundreds of new videos added weekly.
- TRUST & COMPATIBILITY: For over 25 years, TRQ has been the premium choice for direct-fit replacement parts. Confirm fitment with the Amazon Garage "confirmed fit" feature and review our full compatibility chart below before purchase.
- EASE OF INSTALLATION: Save time and effort with pre-assembled components designed as direct replacements for the original equipment, ensuring precise fit and eliminating the need for modifications.
- Limited Lifetime Warranty This product is warranted against defects in materials and workmanship for its lifetime, when used as intended. Excludes normal wear and tear, misuse, abuse, or unauthorized modification.
Product Details
Product Attributes
| Master Cylinder Bore Diameter | 33.34 mm |
| Master Cylinder Material | Cast Iron |
| Sensor Included | No |
| Grade Type | Standard Replacement |
| Master Cylinder Cap Included | Yes |
| Reservoir Included | Yes |
| Bleeder Kit Included | Yes |
Reference Numbers
M39435MC39435
Vehicle Fitment
Confirmed compatible vehicles for this part
| Year | Make | Model | Sub-Model | Engine / Details |
|---|---|---|---|---|
| 1986 | GMC | C2500 | All | with Master Cylinder Casting #14066425 |
| 1986 | GMC | C3500 | All | with 1-5/16in Cylinder Bore |
| 1988 | Chevrolet | V30 | All | with 1-5/16in Cylinder Bore |
| 1988 | GMC | V3500 | All | with 1-5/16in Cylinder Bore |
| 1989 | GMC | V3500 | All | with 1-5/16in Cylinder Bore |
| 1990 | GMC | V3500 | All | with 1-5/16in Cylinder Bore |
| 1991 | GMC | V3500 | All | with 1-5/16in Cylinder Bore |
| 1996 | Chevrolet | P30 | All | Rear Brake Type: Drum with 1-5/16in Cylinder Bore |
| 1987 | Chevrolet | V30 | All | with 1-5/16in Cylinder Bore |
| 1987 | GMC | V3500 | All | with 1-5/16in Cylinder Bore |
| 1993 | Chevrolet | P30 | All | Rear Brake Type: Drum 9000LB or 14500LB GVW |
| 1994 | Chevrolet | P30 | All | Rear Brake Type: Drum 9000LB or 14500LB GVW |
| 1993 | GMC | P3500 | All | Rear Brake Type: Drum 9000LB or 14500LB GVW |
| 1994 | GMC | P3500 | All | Rear Brake Type: Drum 9000LB or 14500LB GVW |
| 1995 | Chevrolet | P30 | All | Rear Brake Type: Drum with 1-5/16in Cylinder Bore |
| 1995 | GMC | P3500 | All | Rear Brake Type: Drum with 1-5/16in Cylinder Bore |
| 1996 | GMC | P3500 | All | Rear Brake Type: Drum with 1-5/16in Cylinder Bore |
| 1981 | Chevrolet | C30 | All | with Master Cylinder Casting #1925 , with 1-5/16in Cylinder Bore |
| 1982 | Chevrolet | C30 | All | with Master Cylinder Casting #1925 , with 1-5/16in Cylinder Bore |
| 1983 | Chevrolet | C30 | All | with Master Cylinder Casting #1925 , with 1-5/16in Cylinder Bore |
| 1981 | Chevrolet | P30 | All | Rear Brake Type: Drum with Master Cylinder Casting #1925 |
| 1981 | GMC | C3500 | All | with Master Cylinder Casting #1925 , with 1-5/16in Cylinder Bore |
| 1982 | GMC | C3500 | All | with Master Cylinder Casting #1925 , with 1-5/16in Cylinder Bore |
| 1984 | Chevrolet | P30 | All | Rear Brake Type: Drum with Motor Home Body |
| 1985 | Chevrolet | P30 | All | Rear Brake Type: Drum with 1-5/16in Cylinder Bore |
| 1986 | Chevrolet | P30 | All | Rear Brake Type: Drum with Motor Home Body |
| 1987 | Chevrolet | P30 | All | Rear Brake Type: Drum with 1-5/16in Cylinder Bore |
| 1988 | Chevrolet | P30 | All | Rear Brake Type: Drum with 1-5/16in Cylinder Bore |
| 1989 | Chevrolet | P30 | All | Rear Brake Type: Drum with 1-5/16in Cylinder Bore |
| 1990 | Chevrolet | P30 | All | Rear Brake Type: Drum with 1-5/16in Cylinder Bore |
| 1991 | Chevrolet | P30 | All | Rear Brake Type: Drum with Motor Home Body |
| 1992 | Chevrolet | P30 | All | Rear Brake Type: Drum with 1-5/16in Cylinder Bore |
| 1984 | GMC | C2500 | All | with Master Cylinder Casting #14066425 |
| 1985 | GMC | C2500 | All | with Master Cylinder Casting #14066425 |
| 1984 | GMC | C3500 | All | with 1-5/16in Cylinder Bore |
| 1985 | GMC | C3500 | All | with 1-5/16in Cylinder Bore |
| 1984 | GMC | K3500 | All | with 1-5/16in Cylinder Bore |
| 1985 | GMC | K3500 | All | with 1-5/16in Cylinder Bore |
| 1986 | GMC | K3500 | All | with 1-5/16in Cylinder Bore |
| 1983 | GMC | C3500 | All | with Master Cylinder Casting #1925 , with 1-5/16in Cylinder Bore |
| 1981 | GMC | P3500 | All | Rear Brake Type: Drum with Master Cylinder Casting #1925 |
| 1982 | Chevrolet | P30 | All | Rear Brake Type: Drum with Master Cylinder Casting #1925 |
| 1983 | Chevrolet | P30 | All | Rear Brake Type: Drum with Master Cylinder Casting #1925 |
| 1982 | GMC | P3500 | All | Rear Brake Type: Drum with Master Cylinder Casting #1925 |
| 1983 | GMC | P3500 | All | Rear Brake Type: Drum with Master Cylinder Casting #1925 |
| 1983 | Chevrolet | K30 | All | with Master Cylinder Casting #1925 , with 1-5/16in Cylinder Bore |
| 1983 | GMC | C2500 | All | with Master Cylinder Casting #1925 , with Master Cylinder Casting #14066425 |
| 1983 | GMC | K3500 | All | with Master Cylinder Casting #1925 , with 1-5/16in Cylinder Bore |
| 1984 | Chevrolet | C30 | All | with 1-5/16in Cylinder Bore |
| 1986 | Chevrolet | C30 | All | with 1-5/16in Cylinder Bore |
| 1984 | Chevrolet | K30 | All | with 1-5/16in Cylinder Bore |
| 1986 | Chevrolet | K30 | All | with 1-5/16in Cylinder Bore |
| 1984 | Chevrolet | P30 | All | Rear Brake Type: Drum without Motor Home Body |
| 1984 | GMC | P3500 | All | Rear Brake Type: Drum 9000LB to 11500LB GVW |
| 1984 | GMC | P3500 | All | Rear Brake Type: Drum with Motor Home Body |
| 1985 | GMC | P3500 | All | Rear Brake Type: Drum with Motor Home Body |
| 1986 | GMC | P3500 | All | Rear Brake Type: Drum with 1-5/16in Cylinder Bore |
| 1987 | GMC | P3500 | All | Rear Brake Type: Drum with 1-5/16in Cylinder Bore |
| 1988 | GMC | P3500 | All | Rear Brake Type: Drum with 1-5/16in Cylinder Bore |
| 1990 | GMC | P3500 | All | Rear Brake Type: Drum with 1-5/16in Cylinder Bore |
| 1991 | GMC | P3500 | All | Rear Brake Type: Drum with Motor Home Body |
| 1992 | GMC | P3500 | All | Rear Brake Type: Drum with Motor Home Body |
| 1985 | Chevrolet | P30 | All | Rear Brake Type: Drum 9000LB or 12300LB GVW |
| 1986 | Chevrolet | P30 | All | Rear Brake Type: Drum 9000LB or 12300LB GVW |
| 1987 | Chevrolet | P30 | All | Rear Brake Type: Drum 9000LB or 12300LB GVW |
| 1988 | Chevrolet | P30 | All | Rear Brake Type: Drum 9000LB or 12300LB GVW |
| 1989 | Chevrolet | P30 | All | Rear Brake Type: Drum 9000LB or 12300LB GVW |
| 1990 | Chevrolet | P30 | All | Rear Brake Type: Drum 9000LB or 12300LB GVW |
| 1991 | Chevrolet | P30 | All | Rear Brake Type: Drum 9000LB or 12300LB GVW |
| 1992 | Chevrolet | P30 | All | Rear Brake Type: Drum 9000LB or 12300LB GVW |
| 1985 | GMC | P3500 | All | Rear Brake Type: Drum 9000LB or 12300LB GVW |
| 1986 | GMC | P3500 | All | Rear Brake Type: Drum 9000LB or 12300LB GVW |
| 1987 | GMC | P3500 | All | Rear Brake Type: Drum 9000LB or 12300LB GVW |
| 1988 | GMC | P3500 | All | Rear Brake Type: Drum 9000LB or 12300LB GVW |
| 1990 | GMC | P3500 | All | Rear Brake Type: Drum 9000LB or 12300LB GVW |
| 1991 | GMC | P3500 | All | Rear Brake Type: Drum 9000LB or 12300LB GVW |
| 1992 | GMC | P3500 | All | Rear Brake Type: Drum 9000LB or 12300LB GVW |
Watch the Diagnostic Video
See how to diagnose and troubleshoot this part with our expert technician walkthrough.
Watch Now