Bedford 42-3635 is Graco 15B079 Bushing, Piston aftermarket replacement

Graco 15B079 Bushing, Piston | Bedford 42-3637 Replacement

Graco 15B079 Bushing, Piston — Bedford 42-3637 Replacement

Keep your proportioner running at peak performance with Bedford Precision Parts model 42-3637—engineered as a precise Graco 15B079 bushing piston replacement. This is an aftermarket part by Bedford Precision Parts that supports the piston/rod interface to stabilize pressure, reduce wear, and extend service intervals.

Fit & Compatibility

• Cross-reference: Bedford 42-3637 bushing piston ↔ Graco 15B079.
• Where it fits: Graco Reactor-series proportioners and displacement pump stacks that specify 15B079 in the piston assembly.
• Applications: High-pressure coating and insulation systems where dependable sealing and alignment at the piston are critical for finish quality and throughput.

Why Replace This Bushing

• Restores alignment to protect the graco spray gun piston rod and packings from premature wear.
• Improves prime/pressure stability, helping cut downtime during graco spray repair.
• Consistent Bedford build for smooth operation under daily production loads.

Install Tips

• Inspect the rod for scoring; replace if out of spec to avoid rapid seal wear.
• Lubricate and torque per service manual to maintain concentricity.
• Pair with fresh seals/packings for a full refresh and best results.

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