CAT 629-5774 Thick Valve Cover Ribbon Seal (4.45 mm)
Product Overview
The CAT 629-5774 Thick Valve Cover Ribbon Seal (4.45 mm) is a Genuine Caterpillar OEM valve cover sealing element designed to provide a reliable seal between the valve cover and the valve body or mating surface. Manufactured to Caterpillar’s exact OEM specifications, this flat ribbon-style seal compresses uniformly to prevent fluid leakage while helping protect the engine from external contaminants. It is supplied in custom lengths, allowing it to be cut to the required size for the specific application.
The 629-5774 Valve Cover Ribbon Seal features a 4.45 mm (0.18 in) thickness and is engineered with excellent conformability to irregular sealing surfaces. As a Genuine Caterpillar OEM replacement part, it restores the original sealing performance while ensuring OEM fit, durability, and long-term reliability in demanding operating environments.
Key Features
- Genuine Caterpillar OEM Thick Valve Cover Ribbon Seal
- Part Number: 629-5774
- Ribbon-style valve cover sealing element
- Thickness: 4.45 mm (0.18 in)
- Supplied in custom lengths (quantity measured by meter)
- Compresses to form a reliable leak-resistant seal
- High ability to conform to irregular sealing surfaces
- Helps prevent fluid leakage and contaminant ingress
- Manufactured to Caterpillar specifications for durability, reliability, and productivity
- Direct OEM replacement for Caterpillar engine applications
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 629-5774 |
| Product Type | Ribbon Seal |
| Component Type | Thick Valve Cover Ribbon Seal |
| Function | Seals the valve cover to prevent fluid leakage and contamination |
| Thickness | 4.45 mm (0.18 in) |
| Width | 9.65 mm (0.38 in) |
| Length | Custom length (sold by the meter) |
| Installation | Direct OEM replacement |
| Brand | Caterpillar (CAT) |
Note: Caterpillar has not published additional material composition, hardness, temperature rating, or compression specifications for the CAT 629-5774 Thick Valve Cover Ribbon Seal beyond the information listed above.
Application Information
The CAT 629-5774 Thick Valve Cover Ribbon Seal is used within Caterpillar engine valve cover assemblies to create a dependable seal between the valve cover and its mating surface. When compressed during installation, the ribbon seal helps prevent oil leakage while minimizing the risk of dirt, moisture, and other contaminants entering the engine’s valve train area. Its flexible design enables it to conform to minor surface irregularities, providing consistent sealing performance.
Manufactured to Caterpillar OEM standards, the ribbon seal is designed to withstand:
- Continuous engine operating temperatures
- Engine oil exposure
- Vibration
- Compression loading
- Harsh operating environments
These characteristics help maintain reliable engine sealing performance and extend service life.
Compatible Caterpillar Equipment
At the time of publication, Caterpillar has not published a compatible equipment list for the CAT 629-5774 Thick Valve Cover Ribbon Seal. Compatibility should be verified before ordering using:
- Product Identification Number (PIN)
- Engine Serial Number
- Arrangement Number
- Existing seal part number
- Valve cover configuration
Verification through Caterpillar Parts information or an authorized Cat dealer is recommended to ensure correct application.
Additional Compatibility Information
The 629-5774 Thick Valve Cover Ribbon Seal is a configuration-specific engine sealing component. Before installation, verify:
- Engine model
- Engine serial number
- Product Identification Number (PIN)
- Existing seal dimensions
- Valve cover design
- Required ribbon seal length
- Engine arrangement number
Any modifications to the original equipment configuration may affect compatibility. Confirmation through Caterpillar Parts information or an authorized Cat dealer is recommended before installation.
Benefits
Installing a genuine CAT 629-5774 Thick Valve Cover Ribbon Seal helps:
- Restore reliable valve cover sealing performance
- Prevent engine oil leakage
- Reduce the risk of dirt and moisture entering the valve train
- Maintain proper engine cleanliness and reliability
- Minimize downtime caused by seal failure
- Simplify maintenance with a direct OEM replacement
- Preserve factory sealing performance
- Deliver OEM-quality fit, durability, and long-lasting reliability in demanding operating environments.
- Brand New / Genuine Surplus Caterpillar Part
- Professionally inspected before dispatch
- Ready for immediate shipment (subject to stock availability)
Worldwide Shipping
We maintain ready-to-ship inventory for many Caterpillar parts. Orders are dispatched the same business day upon receipt of bank payment, with fast worldwide delivery available via DHL and FedEx.
Disclaimer: We are an independent supplier of genuine surplus Caterpillar parts. We are not an authorized Caterpillar distributor or dealer. All trademarks, product names, and model numbers are used solely for identification purposes.
