The Massey Ferguson Stud 5/16×1.1/8 UNF is a precision-fit fastener used primarily for securing thermostat housings and related engine components. Its threading and length are tailored for dependable fastening within the engine assembly.

With a 5/16-inch diameter and 1-1/8-inch UNF thread, this stud provides a strong hold in high-vibration environments. Its hardened steel construction ensures durability and a secure fit in engine blocks or brackets, even under thermal cycling.

This stud is manufactured to Massey Ferguson OEM specification 731651M1, offering guaranteed compatibility and performance. It matches original factory parts used in both tractors and early combine models, supporting long-lasting repairs and maintenance.

Ideal for use in Massey Ferguson 200 Series (e.g., 230, 231, 240, 265), Pre-100 Series combines, and 700 Series combine models. Its a perfect choice for engine rebuilds, thermostat servicing, and vintage equipment upkeep.

Key Features
OEM-certified Massey Ferguson part no. 731651M1
5/16″x1-1/8″ UNF thread for secure and precise fit
Suitable for thermostat and engine block applications
Made from heat-resistant, hardened steel
Prevents loosening in high-vibration engine conditions
Compatible with tractors and combine harvesters
Perfect for: Engine repair, thermostat mounting, combine maintenance