What is a universal joint (U-joint) on a propshaft?

A universal joint connects driveline components and allows the propshaft to transfer power while accommodating suspension movement and changes in angle.

How do I match the correct universal joint size?

Match by measuring the bearing cap diameter and overall width/length in mm, then confirm the snap ring style and propshaft/yoke variant.

What is the difference between greaseable and sealed U-joints?

Greaseable U-joints have a grease point for periodic lubrication, while sealed joints are maintenance-free but cannot be re-greased.

What is an inside snap ring universal joint?

Inside snap ring joints use retaining clips located inside the yoke ears. The snap ring style must match the propshaft/yoke design.

What symptoms indicate a worn propshaft universal joint?

Common symptoms include clunking on take-off, vibration at speed, squeaking noises, and play in the joint.

Should I replace universal joints in pairs?

If multiple joints show wear or the propshaft has more than one joint, replacing as a set can help reduce repeat labour and improve driveline smoothness.

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Universal Joints

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Universal Joints (U-Joints) for Propshaft & Driveline Repairs

Universal joints, also called U-joints or propshaft universal joints, connect driveline components and allow the propshaft to transmit power while the suspension moves. The correct match is typically confirmed by measurements (bearing cap diameter and overall width/length) as well as the retention style (for example, inside snap ring) and whether the joint is greaseable.

How to Choose the Correct Universal Joint

Measure the bearing cap diameter (mm) and overall width/length (mm) of the joint.
Confirm the snap ring style (inside snap ring vs other retention types).
Check lubrication type (greaseable vs sealed) and match to your propshaft/yoke variant.
Cross-check OE references where available, but always verify by measurements and variant.

Fitment can vary even within the same model range, so measurement-based matching is the most reliable method before dispatch. This is the same principle used on your product pages where snap ring style and grease lubrication are called out as key checks. :contentReference[oaicite:1]{index=1}

Common Signs of a Worn Propshaft U-Joint

Clunking when pulling away or shifting between drive and reverse
Vibration under load or at cruising speed
Squeaking or chirping noises that change with vehicle speed
Visible play in the joint or rust powder around the bearing caps

Installation Notes

Mark propshaft orientation before removal and refit in the same alignment where applicable.
Ensure snap rings seat fully and the joint articulates freely without binding.
If vibration existed before repair, propshaft balancing may be required after replacement.
Grease greaseable joints after installation and at service intervals if applicable.

Nationwide Delivery in South Africa

Nationwide courier delivery available across South Africa, including Cape Town, Johannesburg, Durban, Pretoria and surrounding areas. If you are unsure which universal joint matches your propshaft, share your vehicle details and the joint measurements for verification.