SKU: MMRAD-K20-EK | UPC: 748666001343
Mishimoto 96-00 Honda Civic K-Series Swap Aluminum Radiator
The Mishimoto MMRAD-K20-EK aluminum radiator delivers reliable cooling for 1996-2000 Honda Civic models equipped with K-Series engine swaps. This direct-fit replacement features a 2-row 42mm thick core that handles increased heat from performance K20 and K24 engines in CX, DX, EX, GX, HX, LX, Si, and Value Package submodels. Its all-aluminum design ensures long-lasting performance in demanding track or street applications.
Key Features
- All-Aluminum Construction: TIG-welded assembly using aircraft-grade aluminum resists corrosion and cuts weight to 12.6 lbs for improved handling.
- 42mm Core Thickness: Nearly 50% thicker than OEM with 300mm x 391mm core size for higher coolant capacity and heat dissipation.
- Direct Bolt-On Fitment: Matches factory mounting points on EK Civic chassis with no cutting or fabrication needed for K-Series swaps.
- Optimized Billet End Tanks: Promote even coolant distribution with 1.5-inch inlet and outlet fittings compatible with OEM hoses.
- Overall Dimensions: 595mm x 390mm x 65mm design fits under stock hood with included brackets and hardware.
Product Notes
- Engineered exclusively for K20/K24 swaps in 1996-2000 Honda Civic EK chassis.
- Flush entire cooling system before install to prevent clogs in the high-flow core.
- Box dimensions 26in x 18in x 6in for secure transit.
Installation Notes
- Professional installation recommended.
- Bolts directly to OEM radiator mounts using provided hardware.
- Works with stock EK Civic fans, shrouds, and thermostat housing.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1996-2000 | Honda | Civic | CX |
| 1996-2000 | Honda | Civic | DX |
| 1996-2000 | Honda | Civic | EX |
| 1998-2000 | Honda | Civic | GX |
| 1996-2000 | Honda | Civic | HX |
| 1996-2000 | Honda | Civic | LX |
| 1999-2000 | Honda | Civic | Si |
| 1999 | Honda | Civic | Value Package |
Why Choose Mishimoto?
- Backed by lifetime warranty on radiator defects.
- Rigorously dyno and track tested for real-world durability.
- Precision CNC-machined components for exact EK K-swap compatibility.
Frequently Asked Questions
- Q: Does this fit a 1999 Civic Si K20 swap?
A: Yes, direct fit for all listed 1996-2000 Civic submodels with K-Series engine conversions using factory mounts. - Q: What materials are used in construction?
A: Full aircraft-grade aluminum with TIG-welded seams and billet end tanks for strength and thermal efficiency. - Q: What warranty coverage applies?
A: Lifetime warranty covers manufacturing defects in materials and workmanship when installed correctly.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Reinforced box 26in x 18in x 6in
- Weight: 12.6 lbs





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