Looking for aftermarket parts to modify or upgrade your Honda Civic with radiator caps? At Tunersports.com we carry a huge selection of the top name brand performance radiator cap parts and accessories.
Upgrade your Honda Civic with premium aftermarket performance parts designed to improve power, handling, and style. Shop exhaust systems, suspension upgrades, brake kits, air intakes, and more — all backed by fast, free shipping from Tunersports.

IN STOCK 31333Gates Acura / Chevrolet / Ford / GMC / Honda / Infiniti / Mazda / Mitsubishi / Nissan Radiator Cap 1988-1989 Honda Civic Wagovan 1988-1991 Honda Civic Base / DX / LX / RT 4WD 1989-1991 Honda Civic Si 1990-1991 Honda Civic EX $32.76 |
OUT OF STOCK 31511Gates 80-96 Ford F-Series Pickup V8 5.0L Safety Release Radiator Cap - 13 psi 1980-1980 Honda Civic 1500 1980-1981 Honda Civic 1300 DX 1980-1983 Honda Civic 1300 1982-1983 Honda Civic 1300 FE $36.76 |
OUT OF STOCK 31527Gates 80-96 Ford F-Series Pickup V8 5.0L OE Type Radiator Cap - 13 psi 1980-1980 Honda Civic 1500 1980-1981 Honda Civic 1300 DX 1980-1983 Honda Civic 1300 1982-1983 Honda Civic 1300 FE $30.55 |
IN STOCK 31533Gates 90-93 Acura Integra / 90-97 Mazda MX-5 Miata / 03-06 Nissan 350Z Radiator Cap - 13 psi 1988-1989 Honda Civic Wagovan 1988-1991 Honda Civic Base / DX / LX / RT 4WD 1989-1991 Honda Civic Si 1990-1991 Honda Civic EX $39.04 |

IN STOCK 359-99-0010Skunk2's Fine Tuning products and accessories, like its high-pressure Radiator Caps, help put the finishing touches onto your vehicle you work so hard to make perform well. Skunk2 Radiator Caps increase internal radiator pressure, which results in a higher coolant boiling point and a more efficient ... Skunk2 Honda/Acura/Scion Radiator Cap 1992-1995 Honda Civic Si / VX 1992-2000 Honda Civic CX 1992-2010 Honda Civic DX / EX / LX 1996-2005 Honda Civic HX 1998-2010 Honda Civic GX 1999-1999 Honda Civic Value Package 1999-2000 Honda Civic Si 2002-2010 Honda Civic Si $57.02 |
IN STOCK 359-99-0020Skunk2's Fine Tuning products and accessories, like its high-pressure Radiator Caps, help put the finishing touches onto your vehicle you work so hard to make perform well. Skunk2 Radiator Caps increase internal radiator pressure, which results in a higher coolant boiling point and a more efficient ... Skunk2 Honda Acura/Mazda/Mitsubishi/Subaru Radiator Cap 1988-1991 Honda Civic Base / DX / LX 1989-1991 Honda Civic Si 1990-1991 Honda Civic EX $57.02 |
Whether you drive a classic 90s Civic, a turbocharged late-model build, or a daily-driven commuter, we carry performance parts designed specifically for your generation. Our extensive inventory ensures proper fitment and compatibility across a wide range of Honda Civic trims and model years.
Improve airflow and unleash a more aggressive sound with high-performance cat-back exhaust systems, headers, and mufflers. Upgrading your exhaust can increase horsepower while enhancing throttle response.
Enhance cornering and overall ride control with performance suspension components including coilovers, lowering springs, sway bars, and strut braces. Dial in your Civic’s stance and handling for street or track use.
Boost engine efficiency and performance with cold air intakes, short ram systems, and other airflow upgrades. These modifications help your Civic breathe better and respond faster.
Increase stopping power with upgraded brake pads, slotted rotors, and complete big brake kits. Ideal for spirited driving and high-performance applications.
Customize your Civic’s appearance and comfort with lighting upgrades, aerodynamic components, shift knobs, floor mats, and other premium accessories.
Popular upgrades include cold air intakes, cat-back exhaust systems, coilovers, and upgraded brake components. These modifications improve horsepower, handling, and overall driving performance.
Aftermarket parts may affect certain warranty claims depending on installation and manufacturer guidelines. Always review your vehicle’s warranty terms before modifying.
Use the model year filter or browse by generation to ensure compatibility with your specific Honda Civic trim and configuration.