In stock
SKU: 5U4278
5U4278 Piston Wear Ring fit Caterpillar
In stock
SKU: 5U4278
5U4278 Piston Wear Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
$19.00
Delivery
Shipping cost will be calculated at checkout. Available shipping methods:
Characteristics 5U4278 Piston Wear Ring fit Caterpillar
Main characteristics
Compatible models
Caterpillar D250B,
Caterpillar D25C,
Caterpillar D25D,
Caterpillar D300B,
Caterpillar D30C,
Caterpillar D30D,
Caterpillar D350C,
Caterpillar D350D,
Caterpillar D350E,
Caterpillar D35C,
Caterpillar D35HP,
Caterpillar D400,
Caterpillar D400D,
Caterpillar D400E,
Caterpillar D40D,
Caterpillar D44B,
Caterpillar D550B
Part type
Piston wear ring
Cross reference
5U-4278
5U4278 Piston Wear Ring for Caterpillar Equipment
The 5U4278 piston wear ring is a replacement component for Caterpillar articulated dump trucks and related machine models listed below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The part is identified by SKU 5U4278 and is also designated as 5U-4278. It is used as a piston wear ring in the applicable Caterpillar equipment assembly. The available dimensional data includes the ring’s inner diameter, outer diameter, cross-section width and cross-section height.
Fitment
- Caterpillar articulated dump trucks
- Caterpillar D250B
- Caterpillar D25C
- Caterpillar D25D
- Caterpillar D300B
- Caterpillar D30C
- Caterpillar D30D
- Caterpillar D350C
- Caterpillar D350D
- Caterpillar D350E
- Caterpillar D35C
- Caterpillar D35HP
- Caterpillar D400
- Caterpillar D400D
- Caterpillar D400E
- Caterpillar D40D
- Caterpillar D44B
- Caterpillar D550B
Cross-reference numbers
- 5U4278
- 5U-4278
Specifications
| Part type | Piston wear ring |
| SKU | 5U4278 |
| Equipment manufacturer | Caterpillar |
| Material | Polyamide |
| Inner diameter | 5.25 in |
| Inner diameter B | 5.25 in, tolerance ±0.08 in |
| Cross-section width | 0.75 in |
| Width A | 0.75 in, tolerance ±0.03 in |
| Outer diameter | 5.51 in |
| Cross-section height | 0.12 in |
| Weight | 0.1 lb |
| Length | 3.8 cm |
| Width | 3.8 cm |
| Depth | 0.3 cm |




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