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Gates 31349 Radiator Cap
| Brand | Gates 31349 |
|---|---|
| Material | Stainless steel, rubber |
| Color | Silver |
| Attachment Type | Cam on |
| Width | 2.71 |
| Type | Heavy-duty b size filler neck cap |
| Cap Depth | 1.14 |
| Filler Neck Inside Diameter | 2.13 |
| Filler Neck Inside Diameter | 54 |
| Filler Neck Outside Diameter | 2 |
| Filler Neck Outside Diameter | 51 |
| Cap Finish | Stainless steel |
| Coolant Recovery System | Open system |
| Lever Type | No |
| Height | 1.14 |
| Quick Pressure Release | No |
| Vented | Yes |
| Pressure Rating | 10 |
| 9822 | .75 |
| 9833 | 2.81 |
| Attachment Type | Cam on |
| Cap Finish | Stainless steel |
| Color | Silver |
| Coolant Recovery System | Open system |
| Filler Neck Depth (in) | .75 |
| Filler Neck Inside Diameter (mm) | 54 |
| Filler Neck Outside Diameter (mm) | 51 |
| Height (in) | 1.14 |
| Lever Type | No |
| Material | Stainless steel, rubber |
| OE Comparison Rating | Oe exact |
| Fits | — |
OE exact replacement. Cam-on radiator cap with a stainless steel and rubber build.
Vented design. Helps maintain steady pressure in open cooling systems.
Heavy-duty B size. Made for filler necks with a 3/4 in. depth.
Cross-references Anchor 10293, BBB Industries 11293 and Dorman - HELP 46023 for the same application. See all 10.
Heavy-Duty Radiator Cap for Open Cooling Systems
The Gates Heavy-Duty Radiator Cap 31349 is built for heavy-duty trucks, buses, and tractors that use a B size filler neck with a 3/4 in. deep neck. It features a stainless steel finish, rubber sealing components, and a 10 psi pressure rating for open cooling systems.
Key Features
- Heavy-Duty B size filler neck cap
- Fits filler necks with 2.13 in. inside diameter and 2 in. outside diameter
- Cam-on attachment type for secure engagement
- Vented design for open system cooling layouts
- Stainless steel cap finish with rubber sealing material
- 10 psi pressure rating with SAE pressure range of 10-12 psi
- OE Exact comparison rating for direct replacement use
Product Details
Gates Heavy-Duty Radiator Cap 31349 is engineered for cooling system service on heavy-duty equipment where a B size filler neck and 3/4 in. neck depth are specified. The stainless steel shell and rubber sealing surfaces help maintain a consistent seal, while the vented, cam-on design supports open coolant recovery system layouts. For buyers searching for a radiator cap for heavy-duty truck cooling systems, bus radiator cap replacement, or tractor radiator cap applications, this part number provides a direct-fit service option. It is also a practical choice when replacing a worn cap on select make/model applications that call for the same filler neck dimensions and pressure rating. This part cross-references Dorman - HELP 46023 and Four Seasons 33022 for the same application. Gates 31349 is a straightforward OE-style replacement for service work on heavy-duty cooling systems, including applications where Gates 31349 is specified.
Common Issues This Part Can Address
- Coolant loss from a worn or weak radiator cap seal
- Pressure retention problems in an open cooling system
- Improper fit on a B size filler neck
- Corrosion or deterioration of the existing cap finish
- Cooling system service needs on heavy-duty truck, bus, or tractor applications
Installation Notes and Tips
Verify filler neck dimensions before installation: 2.13 in. inside diameter, 2 in. outside diameter, and 3/4 in. depth. Confirm the cooling system uses a vented, open-system cap with a 10 psi rating. Inspect the filler neck sealing surface for damage or debris before installing the cap, and make sure the cam-on mechanism seats fully and locks in place.
Quality Assurance
Gates 31349 is listed with an OE Exact comparison rating and is built for heavy-duty cooling system service in trucks, buses, and tractors. Gates Heavy-Duty Radiator Caps are specified for applications requiring the correct filler neck depth and pressure rating.
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