Bedford 20-3629 is Graco 15C852 Kit-743 aftermarket replacement

Graco 15C852 Kit-743 — AfterMarket by Bedford Precision Parts

This professional pump repair set is an AfterMarket by Bedford Precision Parts replacement for the Graco 15C852 (Kit-743), engineered to service the Reactor E-30 (ISO side) displacement pump for reliable priming, sealing, and pressure stability. 

Where it fits & how it’s used: Install this kit on Graco Reactor E-30 units to refresh the lower pump and restore consistent output on production jobs. It’s a direct aftermarket option that helps reduce downtime and keep your spray system performing shift after shift. 

• Direct replacement: Bedford P/N 20-3629 replaces Graco 15C852 (also listed in older manuals as 15C-852).
• Purpose-built contents: Includes the components needed to maintain and repair the E-30 displacement pump so you can quickly return to spec. 
• Specs at a glance: Weight 0.3600 lbs; UPC 663547036293. 

Pro tips for service: Flush and de-pressurize the system, follow your pump manual for disassembly/torque, then leak-check at low pressure before returning to work. After reassembly, verify the sprayer’s pressure relief valve to ensure safe operation.

Improve finish quality: A refreshed pump performs best with the right gun-side setup. Consider fresh filters, correctly sized airless spray gun tips, and ergonomic paint sprayer guns to maintain crisp patterns and target film builds over long runs.

Complete your order: eRepairCenter stocks compatible categories for mixed fleets—OEM-compatible graco paint sprayer parts and durable graco airless sprayer parts, plus wagner paint sprayer parts and dependable wagner spray gun parts for shops running multiple platforms. Browse more Bedford Precision aftermarket solutions at eRepairCenter.com.