02-05 Honda Civic Si K20A3 5-Speed Manual LSD Transmission
$900.00
Buy JDM 02-05 Honda Civic Si K20A3 5-Speed Manual LSD Transmission. Perfect for K-Swap projects, low mileage, fully tested, and ready for performance builds.
02-05 Honda Civic Si K20A3 5-Speed Manual LSD Transmission (K-Swap Gearbox)
Upgrade your Honda project with a genuine JDM 02-05 Honda Civic Si Manual Transmission (K20A3, 5-Speed with LSD). Perfect for K-Swap builds, this gearbox provides smooth shifting, durability, and improved traction thanks to its Limited Slip Differential (LSD).
Key Features
- Fitment: 2002–2005 Honda Civic Si (EP3)
- Engine Compatibility: K20A3, K20A, K24A
- Transmission Type: 5-Speed Manual (MT, Cable Operated)
- Differential: Factory LSD (Limited Slip Differential)
- Condition: JDM Imported, low mileage, fully tested
Why Choose This K20A3 LSD Gearbox?
The K20A3 5-Speed LSD Transmission is one of the most popular choices for K-Swap projects into older Honda chassis, including Civic EK, EG, DC2 Integra, and CRX. The factory LSD provides better grip and traction for street and track driving compared to open differentials, making it an ideal upgrade for enthusiasts.
Applications
- Direct fit for 2002–2005 Honda Civic Si (EP3)
- Compatible with K-Swap projects (Civic, Integra, Accord, CRX)
- Works with K20A3, K20A, and K24 engine swaps
Helpful Resources
K20A.org – K-Swap Community ·
Hondata ECU Tuning ·
Shop More JDM Transmissions
What’s Included
- 02–05 Honda Civic Si K20A3 5-Speed LSD Transmission
- SPTM cable gearbox assembly
- LSD (Limited Slip Differential) pre-installed
- Clutch housing (where applicable)
- Shift linkage not included (sold separately)
Note: Professional installation is strongly recommended. Please confirm compatibility with your ECU, mounts, and clutch system before purchase.
| Condition | Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is … Read moreabout the conditionUsed: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. See all condition definitionsopens in a new window or tab |
|---|---|
| Brand | Honda |
| Type | Manual Transmission |
| Gear Count | 5 |
| Country/Region of Manufacture | Japan |
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u***u (44) –
Todo llegó bien empacado, Cumple con la descripción, Buen precio y en mi caso el envío fue súper rápido. Es buen vendedor
7***d (536) –
reasonable shipping fee, excellent packaging, received exactly as described, great value for the price.
t***3 (84) –
Awesome customer service, fast shipping, the item arrived as described and very well packed.
k***j (329) –
Amazing seller! Packaged the item decently, item is as described, and shipped out quickly. Thank you for the quality service.
t***a (62) –
First time buyer and skeptical. But part got to me within a week and as described. Worked out perfectly! Wish packaging would have been a little better but overall really great experience. Will most likely do business with again.
e***e (209) –
Exactly as described, fair price, shipped quickly. Thanks!
h***p (651) –
Great Seller, the part was in the exact condition as described and well packed.
7***7 (420) –
Great communication with seller packaging was excellent, item as described and items were in Great condition. Recommended seller.