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Caterpillar 312 Excavator Engines & Engine Parts
New Aftermarket, Used and Rebuilt 312 Engines & Engine Parts
Looking for Caterpillar 312 Excavator Engines & Engine Parts? We sell a wide range of new aftermarket, used and rebuilt 312 replacement engines & engine parts to get your machine back up and running quickly. Fast online quotes.
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Engines & Engine Parts (36 Items)
![312 Alternator](https://assets.amsparts.com/assets/categories/heavy-equipment-parts.png)
Alternator
- Part #: 5I8085
- Weight: 16.00
- Fits Machine(s): 311, 320B, 320B L, 910G, 321B, 320N, 320C FM, 320C, 320B U, 315B FM L, 315, 318B, 320 L, 319C, 318C, 315C, 315B, 314C, 312C L, 312C, 312B, 312, 311C, 311B
![312 Camshaft Bushing, Fits Engine Model: C13](https://assets.amsparts.com/assets/categories/heavy-equipment-parts.png)
Camshaft Bushing, Fits Engine Model: C13
- Part #: 5I7529
- Weight: 0.17
- Fits Machine(s): 311, 318C, 315D L, 320B, 320 L, 320, 319D LN, 319D L, 319D, 319C, 318D L, 318B, 315, 314C, 312D L, 312D, 315C, 315B, 314D LCR, 314D CR, 313D, 312C L, 312C, 312B, 312, 311D LRR, 311C, 311B
![312 Inner Spring Valve, Fits Engine Model: 3054, 3056](https://assets.amsparts.com/assets/categories/heavy-equipment-parts.png)
Inner Spring Valve, Fits Engine Model: 3054, 3056
- Part #: 6I0284
- Fits Machine(s): 307, CB-434B, CP-433C, CB-544, CB-534C, CB-545, CB-535B, CB-434C, CB-534B, 436B, 428B, 426B, 438B, 914G, 438C, 436C, 428C, 426C, 416C, 416B, 317, 315, 312
![312 Main Bearing Kit Undersize .25mm / 0.010in, Fits Engine Model: 3054, 3054b](https://assets.amsparts.com/assets/categories/heavy-equipment-parts.png)
Main Bearing Kit Undersize .25mm / 0.010in, Fits Engine Model: 3054, 3054b
- Part #: 3537428
- Weight: 1.34
- Fits Machine(s): 206, 430D, 428C, CB-5, CB-434B, 914G, 554, CB-434C, CB- 424, AP-800C, 908, 436C, 438C, 426B, 428B, 426C, 428, 420D, 416D, 416B, 315B L, 416C, 317, 315, 312C, 312B L, 312, 212, 307
![312 Main Bearing Kit Undersize .50mm / 0.020in, Fits Engine Model: 3054, 3054b](https://assets.amsparts.com/assets/categories/heavy-equipment-parts.png)
Main Bearing Kit Undersize .50mm / 0.020in, Fits Engine Model: 3054, 3054b
- Part #: 3537429
- Weight: 1.43
- Fits Machine(s): 212, 428C, 430D, 438C, CB-434C, CB- 424, AP-800C, 908, CB-5, CB-434B, 914G, 554, 436C, 428B, 420D, 426C, 428, 426B, 416C, 317, 416D, 416B, 315B L, 315, 312C, 312B L, 312, 307, 206
![312 Main Bearing Kit Undersize .75mm / 0.030in, Fits Engine Model: 3054, 3054b](https://assets.amsparts.com/assets/categories/heavy-equipment-parts.png)
Main Bearing Kit Undersize .75mm / 0.030in, Fits Engine Model: 3054, 3054b
- Part #: 3537430
- Weight: 1.60
- Fits Machine(s): 206, 430D, 428C, CB-5, CB-434B, 914G, 554, CB-434C, CB- 424, AP-800C, 908, 436C, 438C, 426B, 428B, 426C, 428, 420D, 416D, 416B, 315B L, 416C, 317, 315, 312C, 312B L, 312, 212, 307
![312 Main Bearing Kit Undersize .75mm / 0.030in, Fits Engine Model: 3064, 3066](https://assets.amsparts.com/assets/categories/heavy-equipment-parts.png)
Main Bearing Kit Undersize .75mm / 0.030in, Fits Engine Model: 3064, 3066
- Part #: 5I7786
- Weight: 0.41
- Fits Machine(s): 311, 319C, 319D, 320D, 320C L, 320C FM, 320C, 320B, 320 L, 320, 319D L, 314D CR, 313D, 312D, 318D L, 318C, 315D L, 314D LCR, 314C, 312D L, 312C L, 312C, 312B, 312, 311D LRR, 311C, 311B
![312 Outer Spring Valve, Fits Engine Model: 3054, 3056](https://assets.amsparts.com/assets/categories/heavy-equipment-parts.png)
Outer Spring Valve, Fits Engine Model: 3054, 3056
- Part #: 6I0283
- Fits Machine(s): 307, CB-434B, CB-534B, CB-545, CB-535B, CP-433C, CB-544, CB-534C, CB-434C, 438C, 436B, 428B, 426B, 914G, 436C, 428C, 426C, 438B, 416C, 416B, 317, 315, 312
![312 Plate-thrust Undersize 0.30-mm Os, Fits Engine Model: 3066](https://assets.amsparts.com/assets/categories/heavy-equipment-parts.png)
Plate-thrust Undersize 0.30-mm Os, Fits Engine Model: 3066
- Part #: 5I7788
- Weight: 0.06
- Fits Machine(s): 311, 319C, 319D, 320D, 320C L, 320C FM, 320C, 320B, 320 L, 320, 319D L, 314D CR, 313D, 312D, 318D L, 318C, 315D L, 314D LCR, 314C, 312D L, 312C L, 312C, 312B, 312, 311D LRR, 311C, 311B
![312 Valve Seat Insert (inlet), Fits Engine Model: 3054, 3056](https://assets.amsparts.com/assets/categories/heavy-equipment-parts.png)
Valve Seat Insert (inlet), Fits Engine Model: 3054, 3056
- Part #: 6I1197
- Weight: 0.10
- Fits Machine(s): 312, CS- 431C, CB-535B, CB-534B, TH62, CP-433C, CB-534C, AP-800C, 416C, 317, 315
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