Service parts for the 12 V 4000 Gx3
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredOil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Dimensions (L×W×H) | 2520×1660×2160 mm |
|---|
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air filters | W1005 | Amazon eBay | ||
| Fuel filter | Fuel filter or new fuel filter insert | W1001 | Amazon $902.95 eBay | ||
| Oil filter | Engine oil filter | W1008 | Amazon eBay |
Common questions
Which oil filter part number does the MTU 12 V 4000 Gx3 take?
The MTU 12 V 4000 Gx3 uses oil filter part number W1008.
What fuel filter does the MTU 12 V 4000 Gx3 use?
The MTU 12 V 4000 Gx3 uses fuel filter part number W1001.
Which air filter part number does the MTU 12 V 4000 Gx3 take?
The MTU 12 V 4000 Gx3 uses air filter part number W1005.
Troubleshooting
6Fault codes
| Code | Meaning | Remedy |
|---|---|---|
| 003 | Preliminary warning: fuel temperature too high. | Contact Service. |
| 004 | Main warning: fuel temperature too high; engine stop. | Contact Service. |
| 005 | Preliminary warning: charge-air temperature too high. | Reduce power. Check intercooler. |
| 006 | Main warning: charge-air temperature too high; engine stop. | Reduce power. Check intercooler. |
| 009 | Preliminary warning: coolant Intercooler temperature in intercooler too low. | Reduce power. |
| 010 | Main warning: charge-air coolant temperature too high; engine stop. | Reduce power. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full MTU 12 V 4000 Gx3 troubleshooting guide (79 entries) →
Parts
34| Part # | Description | Qty | System | |
|---|---|---|---|---|
| W1001 | Fuel filter or new fuel filter insert | Fuel filter | Amazon $902.95 eBay | |
| W1005 | Air filters | Air filter | Amazon eBay | |
| W1006 | Fuel injectors | Fuel injectors | Amazon eBay | |
| W1008 | Engine oil filter | 2 | Oil filter | Amazon eBay |
| W1009 | Centrifugal oil filter (if fitted) | Centrifugal oil filter | Amazon eBay $83.68 | |
| W1011 | Combustion chambers | Combustion chambers | Amazon eBay | |
| W1041 | Turbochargers | Turbochargers | Amazon | |
| W1046 | Crankcase breathers | Crankcase breathers | Amazon | |
| W1063 | Overhaul cylinder heads. Visually inspect piston crowns and wear pattern on cylinder liner running surfaces. | Cylinder heads | Amazon eBay | |
| W1241 | Drive belts | Belt drive | Amazon eBay | |
| W1250 | Rubber sleeves | Rubber sleeves | Amazon | |
| W2000 | Before starting maintenance work, drain the coolant and flush the cooling systems. | Component maintenance | Amazon FridayParts $38.99 | |
| W2001 | Inspect rocker arms and valve bridge for wear. Insert an endoscope through the pushrod bore to visually inspect swing followers and camshaft running surfaces. | Component maintenance | Amazon | |
| W2002 | Clean air ducting. | Component maintenance | Amazon | |
| W2003 | Clean intercoolers and inspect for leakage. | Component maintenance | Amazon | |
| W2004 | Fit new high-pressure sensor in fuel system. | Component maintenance | Amazon eBay | |
| W2006 | Check engine coolant thermostat and fit new thermal actuator. | Component maintenance | Amazon eBay | |
| W2007 | Check charge-air coolant thermostat and fit new thermal actuator. | Component maintenance | Amazon eBay | |
| W2009 | Inspect centrifugal oil filter for wear (if fitted). | Component maintenance | Amazon eBay | |
| W2010 | Overhaul starter. | Component maintenance | Amazon eBay | |
| W2011 | Inspect vibration damper. | Component maintenance | Amazon | |
| W2062 | Fit new sealing materials for all components disassembled. | Component maintenance | Amazon eBay | |
| W2070 | Overhaul charge air coolant pump. | Component maintenance | Amazon | |
| W2110 | Overhaul engine coolant pump | Component maintenance | Amazon | |
| W3000 | Completely disassemble the engine. Inspect engine components as per Maintenance Manual instructions and repair or fit new components as required. | Extended component maintenance | Amazon eBay | |
| W3001 | Exchange all elastomeric parts and seals for new ones. | Extended component maintenance | Amazon | |
| W3002 | Fit new piston rings. | Extended component maintenance | Amazon | |
| W3003 | Fit new conrod bearings. | Extended component maintenance | Amazon | |
| W3004 | Fit new crankshaft bearings. | Extended component maintenance | Amazon | |
| W3005 | Fit new cylinder liners. | Extended component maintenance | Amazon | |
| W3006 | Fit new antifriction bearings for auxiliary PTOs. | Extended component maintenance | Amazon | |
| W3007 | Fit new high-pressure fuel pump. | Extended component maintenance | Amazon | |
| W3010 | Overhaul battery-charging generator. | Extended component maintenance | Amazon | |
| 00000705a | Crankcase and attachments | Service part / kit | Amazon eBay |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
Service manual — MTU Diesel Engine Operating Instructions 12V4000 16V4000 2008 (MTU)Service manual — MTU Series 4000 12-16V Maint. Schedule 2002 (MTU)