Bedford 3-1076 is Graco 166602 Leather Cup aftermarket replacement

Bedford 3-1076 leather cup aftermarket — direct replacement for Graco 166602

Small components make a big difference. The Bedford 3-1076 leather cup aftermarket is an engineered leather seal offered as an AfterMarket by Bedford Precision Parts of the OEM product. It replaces worn leather cups that let fluid bypass the pump diaphragm or piston and is manufactured to OEM dimensions for a true drop-in fit.

Where this leather cup is used

The leather cup sits inside diaphragm and piston assemblies, creating a pressure-tight seal during each stroke. Replacing the Graco 166602 leather cup replacement prevents leakage, reduces cavitation, and restores consistent prime and pressure — a simple service that often fixes performance problems.

Compatible machines

• Graco contractor and commercial pumps that reference part 166602 (verify with your parts manual)
• Many diaphragm-style and piston pump assemblies used in contractor sprayers and line-striping rigs
• Some Wagner and H.E.R.O. style diaphragm pumps (confirm fit against the model's parts list)

Why technicians pick this aftermarket cup

The Aftermarket Graco 166602 leather cup is made from wear-resistant leather selected for long service life with solvent- and water-based coatings. It’s an economical alternative to OEM while maintaining fit and function — perfect for rental fleets, contractors, and service shops.

Troubleshooting tip

If your airless paint sprayer not working shows symptoms like loss of prime, sputtering, or low pressure, inspect the leather cup and surrounding seals first—this part often fixes those issues quickly. While servicing, consider stocking related items such as hero paint sprayer parts to complete the overhaul in one visit.

Order the Bedford 3-1076 leather cup at eRepairCenter. Always verify fit with your machine’s parts diagram or contact our support team for cross-reference help.