Bedford 20-821 is Graco 208178 Pump Kit aftermarket replacement

Graco 208178 2:1 Standard Pump Kit — AfterMarket by Bedford Precision Parts

This professional rebuild set is an AfterMarket by Bedford Precision Parts replacement for the Graco 208178 kit. Engineered for reliability and value, it refreshes the fluid section so your sprayer can recover prime, stabilize pressure, and reduce leakage—without replacing the entire pump.

Where it fits: For Graco 2:1 “Standard” pneumatic pumps that specify OEM kit 208178 in the service manual. The components are built to OEM dimensions for a true drop-in overhaul. Always confirm your exact model and parts diagram before ordering.

Where it’s used: Ideal for scheduled maintenance or when you notice hard priming, pulsing, or pressure loss on residential, commercial, or industrial jobs. A freshly repacked pump helps maintain smooth flow to filters, hoses, and guns for a consistent, professional finish.

• OEM-matched performance — Precision-made parts support dependable sealing and smooth rod travel.
• Leak & wear control — Renewed packings and seals help reduce bypass, protect the cylinder/rod, and extend service intervals.
• Cost-effective upkeep — Restore output and finish quality without purchasing a whole new pump.
• Fleet-friendly — Straightforward installation and standard tooling make it easy to roll into your shop’s maintenance routine.

Pro install tips: Clean and inspect the piston/rod, seats, and balls; replace any scored or pitted parts. Pre-lube packings as specified, follow the correct stack order, torque to spec, then flush, prime, and pressure-test before returning to service. Keep inline filters clean to protect your rebuilt pump.

Build out your rig with confidence: Explore related categories at eRepairCenter—including pressure relief valve solutions, professional paint sprayer guns, OEM-equivalent speeflo parts, dependable wagner paint sprayer parts, hard-to-find binks sprayer repair parts, plus a full catalog of graco paint sprayer parts and graco airless sprayer parts to keep every system performing at its best.