O-RING
Genuine Briggs & Stratton OEM · Part number 770643
The O-RING is a genuine Briggs & Stratton accessories part, OEM part number 770643. Dykes Motors sells it for $16.52. It is in stock to order online, or you can pick it up at our store. Not sure it fits your machine? Send the model and serial number to the parts desk before you order. Dykes Motors is an authorized Bobcat, LS Tractor, and Ferris dealer with genuine parts and service on site.
Price and availability checked
We accept Visa, Mastercard, American Express, Discover, Apple Pay, Google Pay, Amazon Pay, PayPal, Venmo, and Klarna.
In stock. Ships in 2 to 3 business days, arrives in 1 to 2 more — by Mon, Oct 19. Free shipping on every parts order. Free pickup at 3069 Hwy 49.
Genuine OEM part. Manufacturer warranty honored at our dealership.
Fits these models
23 more models in the OEM parts diagram, unverified
- Appears in the OEM parts diagram for Briggs & Stratton 080015-00
- Appears in the OEM parts diagram for Briggs & Stratton 080015-02
- Appears in the OEM parts diagram for Briggs & Stratton 080015-03
- Appears in the OEM parts diagram for Briggs & Stratton 080016-00
- Appears in the OEM parts diagram for Briggs & Stratton 080016-02
- Appears in the OEM parts diagram for Briggs & Stratton 080017-02
- Appears in the OEM parts diagram for Briggs & Stratton 080018-00
- Appears in the OEM parts diagram for Briggs & Stratton 080018-02
- Appears in the OEM parts diagram for Briggs & Stratton 080019-00
- Appears in the OEM parts diagram for Briggs & Stratton 080020-00
- Appears in the OEM parts diagram for Briggs & Stratton 080020-02
- Appears in the OEM parts diagram for Briggs & Stratton 080020-03
- Appears in the OEM parts diagram for Briggs & Stratton 080021-00
- Appears in the OEM parts diagram for Briggs & Stratton 080021-02
- Appears in the OEM parts diagram for Briggs & Stratton 080022-00
- Appears in the OEM parts diagram for Briggs & Stratton 080022-02
- Appears in the OEM parts diagram for Briggs & Stratton 080023-00
- Appears in the OEM parts diagram for Briggs & Stratton 080023-02
- Appears in the OEM parts diagram for Briggs & Stratton 080024-00
- Appears in the OEM parts diagram for Briggs & Stratton 080026-00
- Appears in the OEM parts diagram for Briggs & Stratton 080027-00
- Appears in the OEM parts diagram for Briggs & Stratton 080028-00
- Appears in the OEM parts diagram for Briggs & Stratton 080029-00
Details
This genuine Briggs & Stratton O-ring (OEM part number 770643) is a small but critical sealing component used in various engine assemblies to prevent fluid leakage and maintain proper system integrity. Because this part is engine and equipment specific, confirm your model or engine number against the fitment list before ordering. As an authentic Briggs & Stratton OEM part, it meets the manufacturer's specifications for fit and function.
Verify your fitment before you order
Text your equipment model and serial number to 601.516.7255 and we confirm the exact part before you pay. Prefer to talk? Call (601) 516-7255.
Questions about part 770643
What machines does part 770643 fit?
We do not list a confirmed fitment for part 770643 on this page. Send the model and serial number of your machine to the parts desk and we will check it before you order.
How much is part 770643?
Dykes Motors sells the O-RING, part number 770643, for $16.52. Price and availability were checked Oct 11, 2026.
Is part 770643 a genuine Briggs & Stratton part?
Yes. Part 770643 is a genuine Briggs & Stratton OEM part.
Is part 770643 in stock?
Yes. It is in stock to order online, or you can pick it up at our store.
Fits the same machines
Visit Us in Collins, MS
3069 Hwy 49, Collins, MS 39428 · (601) 516-7255 · Get directions