In stock
SKU: 3G3747
3G3747 Ring fit Caterpillar
In stock
SKU: 3G3747
3G3747 Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
$4.43
Delivery
Shipping cost will be calculated at checkout. Available shipping methods:
Characteristics 3G3747 Ring fit Caterpillar
Main characteristics
Compatible models
Caterpillar D10N,
Caterpillar D10R,
Caterpillar D10T,
Caterpillar D10T2,
Caterpillar D8L,
Caterpillar D9N,
Caterpillar D9R,
Caterpillar D9T,
Caterpillar D9,
Caterpillar D9 GC,
Caterpillar 844,
Caterpillar 844H,
Caterpillar 844K,
Caterpillar 854G,
Caterpillar 631D,
Caterpillar 631E,
Caterpillar 631G,
Caterpillar 637D,
Caterpillar 637E,
Caterpillar 637G,
Caterpillar 245,
Caterpillar 245B,
Caterpillar 245D,
Caterpillar 10,
Caterpillar 58,
Caterpillar 58L,
Caterpillar 59L,
Caterpillar 59N,
Caterpillar 8,
Caterpillar 8A
Part type
Seal backup ring
Cross reference
3G-3747
3G3747 Ring for Caterpillar Equipment
3G3747 is a transmission seal back-up ring used in Caterpillar equipment. The ring supports the sealing system in high-pressure applications and helps prevent seal extrusion during pressure increases. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
Fitment
The ring is listed for the following Caterpillar equipment models and machine series:
- Tracked bulldozers: 10, 58, 58L, 59L, 59N, 8, 8A, 8S, 8U, 9, 9A, 9C, 9S, 9SU, 9U, D10N, D10R, D10T, D10T2, D8L, D9N, D9R, D9T, D9, D9 GC.
- Wheel bulldozers: 844, 844H, 844K, 854G.
- Wheeled tractor-scrapers: 631D, 631E, 631G, 637D, 637E, 637G.
- Excavators: 245, 245B, 245D.
Fitment should be checked against the equipment model, serial number and the part number being replaced before installation.
Cross-reference numbers
- 3G-3747
- 3G3747
Specifications
| Part type | Transmission seal back-up ring |
| Equipment manufacturer | Caterpillar |
| SKU | 3G3747 |
| Manufacturer part number format | 3G-3747 |
| Material | Urethane rubber |
| Cross-section width | 0.06 in |
| Cross-section height | 0.17 in |
| Inner diameter | 7.86 in |
| Weight | 0.1 lb |
| Length | 20.5 cm |
| Width | 20.5 cm |
| Depth | 0.2 cm |







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