SKU: MMRC-20-SM | UPC: 748354024197
Mishimoto High Pressure 2.0 Bar Rated Radiator Cap Small Fits Honda Civic 1988-2005 Acura Integra Nissan 240SX Mazda Miata Subaru Impreza
The Mishimoto High Pressure 2.0 Bar Rated Radiator Cap Small raises system pressure to 29 PSI keeping coolant circulating under extreme conditions. This cap fits most import vehicles including Honda Civic Integra Acura Nissan Mazda Subaru Toyota with standard small radiator necks preventing overflow into reservoirs. Engineered for performance driving it boosts cooling efficiency by maintaining higher boiling points.
Key Features
- 29 PSI 2.0 Bar Pressure Rating: Handles high-pressure demands from tuned engines or track use without leaking coolant
- Anodized Billet Aluminum Construction: Corrosion-resistant finish withstands harsh radiator environments for long-term reliability
- High-Quality EPDM Gasket Seal: Provides leak-proof seal compatible with all coolant types including modern OAT formulas
- Universal Small Neck Fitment: Direct OEM replacement for 28-30mm radiator necks on most Japanese import vehicles
- Laser-Etched Branding: Durable markings ensure authenticity and easy identification during maintenance
Product Notes
- Direct bolt-on replacement no modifications required
- Compatible with stock and aftermarket radiators including Mishimoto units
- Packaged in protective retail box for safe handling
Installation Notes
- Professional installation recommended.
- Install only on cool radiator to avoid burns or pressure release
- Twist-off replacement no tools or special hardware needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1988-1995 | Honda | Civic | All |
| 1996-2000 | Honda | Civic | All |
| 1988-1991 | Honda | CRX | All |
| 1990-2001 | Acura | Integra | All |
| 1989-1998 | Nissan | 240SX | S13 S14 |
| 1990-2005 | Mazda | Miata MX-5 | All |
| 1993-2001 | Subaru | Impreza | All |
| 1990-1997 | Toyota | MR2 | W20 |
| 1989-1993 | Honda | Accord | All |
| 1991-1999 | Nissan | Silvia 180SX | S13 |
Why Choose Mishimoto?
- Proven in racing and street applications worldwide
- Precision CNC-machined for exact OEM fit and function
- Lifetime warranty covers defects in materials and workmanship
Frequently Asked Questions
- Q: Will this cap fit my 1992 Honda Civic EG?
A: Yes it directly replaces the OEM cap on 1988-2000 Civic models with standard small radiator neck including EG EH EJ EP EX Si - Q: What material is used for the seal?
A: EPDM rubber gasket resists degradation from ethylene glycol coolants and high temperatures up to 300F - Q: What is the warranty period?
A: Mishimoto provides a lifetime warranty against manufacturing defects when installed and used properly
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Retail box 3.46 x 3.07 x 1.97 inches
- Weight: 0.21 lbs shipping weight





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