Nissan K21 Engine Overhaul Kit
When it’s time for a rebuild, our comprehensive overhaul kit provides everything you need to bring your K21 back to factory specifications. Each kit is carefully assembled with precision-manufactured components that meet or exceed OEM standards, including pistons, rings, bearings, gaskets, timing chain, and tensioner. With multiple sizing options available for pistons, rod bearings, and main bearings, you can customize your kit to match your engine’s exact wear condition—whether you’re performing a standard rebuild or machining for oversized components.
Kit includes all applicable parts listed below:
Select Component Sizes (Pistons, Ring Set, Rod & Main Bearings) Required for your Kit
| Piston Sizes Available | STD. | .50mm | 1.00mm | |
|---|---|---|---|---|
| Piston Set | 12010-FU420 | 12010-FU470 | 12010-FU471 | |
| Ring Set | 12033-4E110 | 12036-4E110 | 12038-4E110 |
| Bearings Sizes | STD. | .25mm | .50mm | .75mm |
|---|---|---|---|---|
| Rod Bearing Set | 12111-D2800 | 12117-D2800 | 12118-D2800 | 12119-D2800 |
| Main Bearing Set | 12207-50K00 | 12209-50K00 | 12210-50K00 | 12211-50K00 |
| Camshaft Bearings | 13002-71204 | |||
| Timing Chain | 13028-50K00 | |||
| Tensioner | 13070-50K00 | |||
| O/H Gasket Set | 10101-FY52K | |||
| Freeze Plug Kit | FPK-K21 |
STD Bore Size 3.506 STD Rod Journal Size 1.770 STD Main Journal Size 2.478
Shipping and handling not included and will be billed separate. All references to original manufacturer’s trade names and part numbers are for identification purposes only. We do not warrant the accuracy of the information and data contained herein and specifically disclaim any and all liability arising from errors, omissions or consequential harm resulting therefrom. There is no affiliation between us and the original manufacturer’s listed herein. |
