Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2021F-150 LIMITED, 3.5L ENG VIN 8, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 23 (ENGINE - 3.0L POWER STROKE DIESEL)DESCRIPTION AND OPERATIONENGINE COMPONENT VIEWEXPLODED VIEW OF LOWER ENGINE BLOCK
2021 Ford F-150 Limited, 3.5L Eng VIN 8, RWD
Exploded View Of Lower Engine Block
2021 Ford F-150 Limited, 3.5L Eng VIN 8, RWDSECTION Exploded View Of Lower Engine Block
WARNING: This page is about a different variant/trim than selected.
| Item | Part Number | Description |
|---|---|---|
| 1 | 6135 | Piston pin (6 required) |
| 2 | 6148 | Piston ring set (6 required) |
| 3 | 6108 | Piston (6 required) |
| 4 | 6140 | Piston pin retaining ring (12 required) |
| 5 | 6200 | Connecting rod assembly (6 required) |
| 6 | 6211 | Connecting rod bearing (6 required) |
| 7 | 6700 | Front crankshaft seal |
| 8 | 6643 | Oil pump body-to-cylinder block seal (2 required) |
| 9 | 6600 | Oil pump assembly |
| 10 | 6626 | Oil pump gasket |
| 11 | 6010 | Cylinder block |
| 12 | 6K301 | Rear crankshaft seal with retainer plate |
| 13 | 6397 | Cylinder block dowels (2 required) |
| 14 | 6337 | Upper main thrust bearing |
| 15 | 6A339 | Lower main thrust bearing |
| 16 | 6325 | Crankshaft main bearing cap (part of 6010) |
| 17 | 6C357 | Crankshaft main bearing side bolt (8 required) |
| 18 | 6345 | Crankshaft main bearing bolt (16 required) |
| 19 | 6U004 | Engine block skirt stiffener assembly |
| 20 | 6675 | Oil pan assembly |
| 21 | 7A828 | Converter housing lower access cover |
| 22 | 6G046 | Engine block skirt stiffener gasket |
| 23 | 6G090 | Cylinder block-to-stiffener dowel (2 required) |
| 24 | 6330 | Crankshaft main bearing cap (3 required/ part of 6010) |
| 25 | 6331 | Lower crankshaft main bearing (3 required) |
| 26 | 6303 | Crankshaft |
| 27 | 6338 | Upper crankshaft main bearing (3 required) |
| 28 | 6K858 | Piston cooling nozzles |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.