Hub Cap Grease Dust Bearing Cap For Ifor Williams Trailers - 76mm - 4 Pack

These hub caps are designed specifically for Ifor Williams trailer suspension hubs. They are compa...

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B&QB&Q - 4 X Grey Plastic Hub Cap Grease Dust Bearing Cap 76mm For Ifor Williams Trailers
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eBay4 x Grey Plastic Hub Cap Grease Dust Bearing Cap 76mm For Ifor Williams Trailers
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Product Information

Full details

Designed for owners of Ifor Williams trailers equipped with bolt-on Knott brakes, these 76mm hub caps provide a robust defense against environmental contaminants that can damage sensitive bearing assemblies. While they offer excellent protection and simple installation for trailers manufactured from 1996 onwards, it is critical to verify the internal diameter of your existing hub before purchase, as these are precision-fit components for 76mm bearing housings.

All features

Model Part NumberBS045_4PACK
BrandAB Tools

Extended Product Information

FAQs

Will these fit any trailer?

No, these are specifically designed for Ifor Williams trailers with bolt-on Knott brakes using a 76mm bearing housing.

Can I use these on a trailer from 1994?

No, these are intended for Ifor Williams trailers manufactured from 1996 onwards.

How do I measure for the right size?

Measure the internal diameter of the hub opening. These caps require a 76mm opening for a secure fit.

Is a mallet required for installation?

It is recommended to use a soft-faced rubber mallet to ensure the cap is seated evenly without damaging the plastic.

Does the pack include grease?

No, the pack includes only the four hub caps.

Troubleshooting

Cap will not seat fully into the hub

Clean the inner hub flange of any rust or dried grease and ensure the cap is perfectly aligned before tapping into place with a rubber mallet.

Cap feels loose after installation

Verify the hub diameter is exactly 76mm. If the hub housing has been damaged or stretched, the cap may not grip correctly.

Pros and Cons

Pros

  • Durable hardened plastic construction for long-term use
  • Precise fitment reduces the risk of ingress into the brake assembly
  • Essential for maintaining bearing health in harsh road conditions
  • Easy replacement process without the need for specialized tools
  • Includes four units, perfect for tandem axle trailers

Cons

  • Not compatible with older trailer models produced before 1996
  • Requires exact measurement of the hub to ensure compatibility
  • Material may become brittle if subjected to extreme, prolonged heat

Setup, Compatibility & Care

To install these hub caps, ensure the hub surface is clean and free of old grease residue. Press the cap firmly into the center of the hub housing; you may need to use a soft-faced rubber mallet to ensure the cap is fully seated and flush.

Compatibility Requirements:

  • System: Ifor Williams trailers with bolt-on Knott brakes.
  • Year: 1996 onwards.
  • Measurement: Internal hub diameter must be exactly 76mm.

Care Instructions:

  • Avoid using high-pressure power washers directly at the seal, as this can force water past the cap.
  • During every tire change or bearing service, remove the cap to inspect for internal moisture or contaminated grease.
  • If the cap shows signs of deformation or cracking, replace immediately to prevent bearing damage.

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