Engine
| Displacement | 4.5 L |
|---|---|
| Aspiration | Naturally aspirated |
This engine also powers 2 generator set(s) on Facts About Generators.
Parts
41| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 11-21011 | Gasket, Intake Port | 1 | Gasket | PartsGeek |
| 11-31012 | Gasket | 1 | Gasket | PartsGeek |
| 11-31031 | Gasket, Turbo Oil Return | 1 | Gasket | PartsGeek |
| 11-31094 | Gasket | 1 | Gasket | PartsGeek |
| 11-31099 | Gasket | 1 | Gasket | PartsGeek |
| 11-31401 | Gasket, K26 Turbo Mounting | 1 | Gasket | PartsGeek |
| 11-31615 | Gasket, Turbo/Exhaust Mtg. | 1 | Gasket | PartsGeek |
| 15-09501 | Sealing Washer, Copper M22 | 1 | Gasket | PartsGeek |
| 16-01000 | O-ring | 1 | Seal | PartsGeek |
| 16-09503 | O-ring | 1 | Seal | PartsGeek |
| 16-21001 | O-Ring | 2 | Seal | PartsGeek |
| 18-11003 | Hose, 1-1/4" ID x 2-1/2" 2 Ply | 1 | Hose | PartsGeek |
| 18-11010 | Hose, 3/4" I.D. x 1-1/4" | 1 | Hose | PartsGeek |
| 18-21004 | Hump Hose | 1 | Hose | PartsGeek |
| 18-21014 | Hose, 2" I.D. x 2-3/8" | 1 | Hose | PartsGeek |
| 18-21016 | Hose, 2" I.D. x 1-3/4" 3 Ply Silicone | 1 | Hose | PartsGeek |
| 18-31605 | Hose, 1-1/4 x 32" Wire Reinforced | 1 | Hose | PartsGeek |
| 24-21000 | Air Filter | 1 | Air filter | PartsGeek |
| 24-21003 | Air Filter | 1 | Air filter | PartsGeek |
| 37-11006 | Flow Switch 6 GPM 1 -1/4 NPT (Propulsion Units) | 1 | Sensor | PartsGeek |
| 51M7040 | O-ring | 1 | Seal | PartsGeek |
| R123353 | Gasket, Engine Oil Pan | 1 | Gasket | PartsGeek FridayParts $53.99 |
| R123439 | Drive Belt, LP-MP445D (non-turbo) | 1 | Belt | PartsGeek FridayParts $49.99 |
| R123440 | Drive Belt, LP-M445T-H (with turbo) | 1 | Belt | PartsGeek |
| R123457 | Drive Belt, LP-MP445T-H (with turbo) | 1 | Belt | PartsGeek |
| R123461 | Drive Belt, LP-MP445D (non-turbo) | 1 | Belt | PartsGeek |
| R128799 | O-ring | 1 | Seal | PartsGeek |
| R502076 | O-ring (replaces R89944) | 1 | Seal | PartsGeek |
| R51936 | Tube Seal | 9 | Seal | PartsGeek FridayParts $17.68 |
| RE48786 | Fuel Injector (with turbocharger, includes keys 2-3) | 4 | Injector | PartsGeek FridayParts $149.99 |
| RE502711XD | 12 Volt Standard Ground | 1 | Pump | PartsGeek |
| RE502715XD | 24 Volt Standard Ground | 1 | Pump | PartsGeek |
| RE60062 | Fuel Injector (without turbocharger, includes keys 2-3) | 4 | Injector | PartsGeek |
| RE64133XD | 12 Volt Standard Ground | 1 | Pump | PartsGeek |
| SP10 | Change secondary fuel filter | 1 | Fuel filter | PartsGeek FridayParts $279.00 |
| SP12 | Check fuel injection pump | 1 | Injector | eBay PartsGeek |
| SP13 | Check fuel injection pump | 1 | Fuel injection pump | eBay PartsGeek |
| SP19 | Change impeller in raw water pump | 1 | Impeller | eBay PartsGeek |
| SP23 | Check state of charge of batteries | 1 | Clutch and pto service | eBay $60.00 PartsGeek |
| SP15 | Check and flush cooling system | 1 | Service part / kit | eBay $20.74 PartsGeek |
| SP18 | Check and clean gear oil cooler | 1 | Service part / kit | eBay PartsGeek |
Service & wear parts shared with every machine that uses this engine. Confirm the exact part for your serial number.
Aftermarket parts that fit this loader
501W-9812 PartsGeek 931B PartsGeek 078-7331 PartsGeek FridayParts $68.41 2M-2858 PartsGeek FridayParts $68.41 953D PartsGeek 955H PartsGeek 977D PartsGeek 8P-1251 PartsGeek FridayParts $84.20 8P-1252 PartsGeek FridayParts $84.20 D343 PartsGeek 977K PartsGeek FridayParts $52.99 983B PartsGeek 9G-5343 PartsGeek FridayParts $84.20 9W-7216 PartsGeek FridayParts $68.41 077-5504 PartsGeek FridayParts $68.41 953B PartsGeek 953C PartsGeek 9W-7232 PartsGeek FridayParts $68.41 7T-4080 PartsGeek FridayParts $68.41 3408C PartsGeek 4N-6836 PartsGeek G926 PartsGeek 9J-8667 PartsGeek 992C PartsGeek 992D PartsGeek 992G PartsGeek 994D PartsGeek 994F PartsGeek 245D PartsGeek 235B PartsGeek 235C PartsGeek 245B PartsGeek 235D PartsGeek 6L-8617 PartsGeek FridayParts $39.59 3L-2866 PartsGeek FridayParts $39.59 231D PartsGeek 924F PartsGeek FridayParts $78.60 CA9P-7121 PartsGeek FridayParts $29.85 9P7121 PartsGeek FridayParts $29.85 CA1M7250 PartsGeek FridayParts $19.90 1M7250 PartsGeek FridayParts $19.90 215B PartsGeek E180 PartsGeek FridayParts $51.74 229D PartsGeek T04B65 PartsGeek 0R-5824 PartsGeek FridayParts $312.00 6N-8477 PartsGeek FridayParts $312.00 FP-XP-0005155 PartsGeek 1W9771 PartsGeek FP-XP-0020283 PartsGeek
Parts listed by aftermarket suppliers as fitting this loader — leads compiled from supplier catalogs; verify the exact part for your serial number.
Common questions
What engine does the Caterpillar 943 use?
The Caterpillar 943 loader is powered by the John Deere Powertech 4045 engine.
About
Caterpillar 943 — loader. Specifications and parts compiled from manufacturer documents.