Graco 220877 Pump Repair Kit

Graco 220877 Pump Packing Repair Kit is an OEM replacement kit designed to restore your sprayer’s pressure and performance by replacing worn seals and packings in the pump assembly.

Fits GM5000, Ultra 1500 / 1500 Ultimate, and GM10000 sprayers.
Includes upper/lower packings, O-rings, and gaskets.
Ideal for fixing leaks, pressure loss, and spray pattern issues.
Genuine Graco part ensures reliable fit and long service life.

List Price: $170

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Description

Graco 220877 Pump Packing Repair Kit – Overview & Fitment

Compatible Machines

The Graco 220877 Pump Packing Repair Kit (also written as 220-877) is referenced for the following legacy/high-output systems. Always verify your exact model & series before ordering.

GM5000 series sprayers
Ultra 1500 / 1500 Ultimate series (select models/series)
GM10000 series sprayers

What it is

The Graco 220877 Pump Packing Repair Kit is a service kit used to rebuild the high-pressure pump section of certain Graco airless sprayers. Replacing worn packings and seals restores prime, pressure stability, and spray quality while reducing leakage and downtime.

Targets common wear points: packings, seals, O-rings, and related gaskets.
Cost-effective alternative to replacing the entire pump assembly.
Ideal when experiencing pressure loss, weeping/leaks, or irregular spray pattern.

Key Features & Benefits

OEM-spec components for proper fit and longevity.
Restores performance — helps recover output and pattern consistency.
Reduces downtime vs. full pump replacement.

Budget-friendly maintenance to extend sprayer life.
Field-serviceable with typical Graco pump tools.
Supported families: GM5000, Ultra/1500 Ultimate, GM10000 (verify series).

Typical Kit Contents*

Component	Purpose
Packing sets (upper/lower)	Seal the piston/rod to maintain high pressure.
O-rings & backup rings	Prevent fluid bypass at critical joints.
Gaskets / washers	Reseal mating surfaces after teardown.
Lubricant/grease (if supplied)	Assists with correct installation and run-in.

Fitment Guidance

Confirm model/series & pump revision (serial range) before purchase.
If your pump rod or cylinder is damaged/scored, a complete pump may be more appropriate than a packing-only repair.
For first-time rebuilds, review the pump exploded diagram and torque specs in your unit’s manual.

Frequently Asked Questions

Check the model name, series identifier, and serial number on your sprayer’s data plate. Then match these against the pump assembly in the parts manual. If your manual lists 220877 under the pump section (or as a superseded kit), you’re good to go. When in doubt, contact support with your full model/serial.

If wear is limited to packings and seals, this kit is sufficient. If the piston rod or cylinder is scored, pitted, or bent, replacing the complete pump is often the better long-term fix to prevent premature packing failure.

Clean all mating surfaces, inspect the rod/cylinder for damage, lubricate packings per the manual, and torque fasteners to spec. After reassembly, flush with compatible solvent and test at low pressure before returning to service.