Thermostat Gasket Kit 6653948 – Bobcat 753 763 S185 T190
Thermostat Gasket Kit 6653948 – Bobcat 753 763 S185 T190
Thermostat with Gasket & O-Ring Kit – Part #6653948 for Bobcat Loaders & Excavators
Keep your Bobcat running at the right operating temperature with this complete Thermostat Kit (Part #6653948). Designed as a direct-fit replacement for a wide range of Bobcat skid steer loaders and compact excavators, this kit includes everything you need for a clean, leak-free installation — the thermostat body, paper gasket, and rubber O-ring, all in one package.
Made in Mainland China.
What's in the Kit?
- 1 × Thermostat Body – Controls coolant circulation in the engine cooling circuit to maintain stable operating temperatures
- 1 × Paper Gasket – Provides a reliable flat seal between mating surfaces
- 1 × Rubber O-Ring – Seals connection points to prevent coolant leaks
Key Features
- Complete Sealing Kit: All necessary components for a full thermostat replacement are included — no additional parts needed
- Engine Cooling Circuit Control: Regulates coolant flow to maintain consistent engine temperatures during operation
- Durable Materials: Constructed from metal and rubber for lasting performance in demanding machine environments
- Easy Installation: Standard size with straightforward bolt-pattern assembly; tighten bolts diagonally in stages for an even seal
- Leak-Prevention Design: Flat-seated gasket and O-ring placement minimizes the risk of coolant leaks at connection joints
Installation Tips
- Ensure gaskets and O-rings are seated flat and undamaged before assembly. Replace any crushed or cracked components.
- Tighten mounting bolts diagonally in progressive stages — avoid over-torquing any single bolt to protect housing threads.
- After assembly, refill with the appropriate coolant, purge air from the cooling lines, start the machine, and monitor the temperature gauge. Check all connection points for leaks.
Specifications
| Part Number | 6653948 |
| Material | Metal & Rubber |
| Color | Black |
| Size | Standard |
| Controller Type | Manual (Thermostatic) |
| Country of Origin | Mainland China |
Compatible Models
Bobcat Skid Steer Loaders: 463, 553, 753, 763, 773, 7753, S150, S160, S175, S185, T190
Bobcat Compact Excavators: 225, 231, 325, 328, 331, 334, 337, 341, 425, 428
Additional Compatible Models: 5600, 6KW, B100, B250, B300, BL275, L370, BL470, BL475, BL570, BL575, E25, E26, 645, 743, 751, 1600, MT52, MT55, S70, S100
Always verify your part number against your machine's manual or existing component before ordering.
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Frequently Asked Questions
Q: What does the Bobcat thermostat kit part number 6653948 include?
A: The kit includes three components: one thermostat body, one paper gasket, and one rubber O-ring. Together, these provide all the sealing hardware required for a complete thermostat replacement on compatible Bobcat loaders and excavators.
Q: How do I know if this thermostat fits my Bobcat machine?
A: This thermostat is compatible with a wide range of Bobcat skid steer loaders (including the 553, 753, 763, 773, S160, S175, S185, and T190) and compact excavators (325–428 series). Always cross-reference part number 6653948 with your machine's service manual or existing thermostat before installing.
Q: How should I install the gasket and O-ring to avoid coolant leaks?
A: Place the gasket and O-ring flat against their mating surfaces, ensuring no warping or misalignment. Tighten the mounting bolts diagonally in gradual stages to apply even pressure across the housing. After installation, purge air from the cooling circuit, add the correct coolant, and inspect all joints for leaks while the engine is running.
Q: Can I use this thermostat kit on Bobcat excavators as well as loaders?
A: Yes. Part number 6653948 is compatible with several Bobcat compact excavator models including the 225, 231, 325, 328, 331, 334, 337, 341, 425, and 428, in addition to the skid steer loader range listed above.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.