Primary Drive Clutch for 2010-Up E-Z-GO TXT/RXV Gas Carts – 618684
Let Northline Parts Do the Heavy Lifting for You!
Not sure which part you need? Our team can help you find the right replacement.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
- 2010-up E-Z-GO TXT gas golf cart—matching clutch
- 2010-up E-Z-GO RXV gas golf cart—matching clutch
Product Overview
Belt squeal, poor takeoff, engine revving without normal acceleration, sticking sheaves, or visible clutch wear can lead to the primary clutch after the belt, driven clutch, mounts, and engine condition are checked. This assembly restores the engine-side variable drive for matching carts.
The 2010 model-year cutoff and gas powertrain matter. Verify taper, shaft, belt width, cover profile, and OEM reference.
Key Features & Performance
- Engine-side primary drive clutch
- For compatible gas TXT and RXV carts
- Cross-references three E-Z-GO numbers
- Restores variable-ratio belt drive after confirmed clutch wear
Replaces Part Numbers
- 618684
- 644299
- 672686
Common Uses
- Repairing weak or jerky takeoff
- Replacing sticking or worn clutch sheaves
- Correcting drive-belt engagement after belt and driven-clutch checks
Technical Specifications
- Product Type: Primary drive clutch
- Powertrain: Gas golf cart
- Position: Engine-side drive clutch
- Condition: New
- Replacement Type: Aftermarket
Installation & Fitment
- Confirm the cart is gas-powered and 2010 or newer
- Use the correct clutch puller and holding tools
- Inspect belt width, engine mounts, and driven clutch
- Torque the retaining fastener to specification and test with the rear safely raised
Compatibility Notice
Northline Parts does its best to list all known compatible models, but the correct part may fit an application not shown.
Production date, engine type, transmission, trim, serial number, and previous repairs can change fitment. Compare the original part, mounting points, dimensions, connections, and listed reference numbers before purchase.
Frequently Asked Questions
Q: Is this for electric TXT/RXV carts? A: No. It is for matching gas-powertrain applications.
Q: Can a worn belt cause poor acceleration? A: Yes. Measure the belt before replacing the clutch.
Q: Which references does it replace? A: 618684, 644299, and 672686.
Q: Why does the clutch stick? A: Rust, worn bushings, damaged sheaves, or internal wear can prevent smooth movement.
Part Summary
keywords: EZGO 618684 clutch, 644299 primary clutch, 672686 replacement, TXT gas drive clutch, RXV golf cart clutch
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.