Homelite UP05527 Cap & O-Ring – Genuine OEM Replacement Cap and Seal Assembly

Part Number: UP05527
Category: Water Pump Caps, Seals & Pump Assembly Parts
Type: Cap & O-Ring – Genuine OEM Replacement Cap and Seal Assembly

The Homelite UP05527 Cap & O-Ring is a genuine OEM replacement pump component designed for select Homelite AP125 water pumps and compatible equipment. Installed within the pump assembly, this component combines the factory cap with its sealing O-ring to help close and seal the applicable pump opening.

Product Specifications

• Part Number: UP05527
• Manufacturer: Homelite / Ryobi
• Product Type: Cap & O-Ring
• OEM Description: Cap & O Ring / Cap W/O-Ring
• Component Type: Pump Cap & Sealing Component
• Function: Closes & Seals the Applicable Pump Opening
• System: Water Pump Assembly
• Application: Gas-Powered Water Pump
• Compatible Brand: Homelite
• Confirmed Series: AP125
• Previous Part Number: 02924
• Replacement Type: Direct OEM Replacement
• OEM Status: Genuine Homelite OEM Part
• Condition: New
• Quantity: 1 Cap & O-Ring Assembly
• Part Number Reference: UP05527

OEM cross-reference information confirms that UP05527 supersedes previous part number 02924.

Features & Benefits

• Genuine Homelite OEM replacement pump component
• Factory-designated Cap & O-Ring
• Includes the applicable sealing O-ring
• Designed for compatible Homelite AP125 water pumps
• Installs within the factory pump assembly
• Helps close and seal the applicable pump opening
• Helps prevent leakage when properly installed
• Designed to match the original equipment configuration
• Helps restore a pump with a damaged or missing cap
• Provides an OEM replacement for an aged or deteriorated sealing component
• Suitable for water pump maintenance, repair, and restoration
• Ideal replacement for cracked, stripped, worn, leaking, damaged, or missing caps and seals
• Replaces previous Homelite part number 02924
• Direct replacement for equipment requiring part number UP05527

Applications

Documented applications include:

• Homelite AP125 Water Pump
• Homelite AP125 UT-01704
• Homelite AP125 UT-01704-B
• Homelite AP125 UT-01704-D
• Homelite AP125 UT-01704-G
• Homelite AP125 UT-01711-D
• Select AP125 production revisions
• Homelite water pump assemblies
• Pump cap and sealing repair applications
• Equipment previously requiring 02924
• OEM replacement applications requiring UP05527

Factory-style parts diagrams for the AP125 UT-01704 place UP05527 directly within the pump assembly alongside the pump housing, gasket, garden hose adapter, coupling, impeller, shims, and other pump components.

The AP125 UT-01711-D also documents UP05527 as “Cap W/O-Ring” within its pump assembly.

Important Notes

• Verify compatibility with your specific Homelite water pump model, UT number, serial number, and production revision before ordering.
• Homelite OEM suppliers identify UP05527 specifically as “CAP & O RING.”
• Parts diagrams may describe the same component as “Cap W/O-Ring.”
• UP05527 replaces previous OEM part number 02924.
• The Homelite AP125 UT-01704 is a documented application for part number UP05527.
• Additional AP125 revisions, including UT-01704-B, UT-01704-D, and UT-01704-G, also document UP05527 within the pump assembly.
• Do not confuse UP05527 with UP05528 Cap & O-Ring. Both components can appear within the same AP125 pump assembly and have separate OEM part numbers.
• The pump assembly also uses a separate UP05531 O-Ring, which should not be confused with the O-ring supplied as part of UP05527.
• Inspect the cap threads or mounting surface, sealing area, pump housing, and surrounding components when replacing the cap and O-ring.
• Replace hardened, flattened, cracked, cut, distorted, or otherwise damaged sealing components as necessary.
• Clean the applicable sealing and mating surfaces before installing the replacement assembly.
• Make sure the O-ring is properly seated and is not pinched, twisted, or damaged during installation.
• Avoid overtightening the cap, as excessive force may damage the cap, threads, sealing surface, or O-ring.
• This listing is for one Homelite UP05527 Cap & O-Ring assembly only unless otherwise specified. Pump housings, adapters, couplings, gaskets, impellers, shims, and other pump components are sold separately.
• Match part number UP05527 or superseded part number 02924 with your water pump's illustrated parts diagram before ordering to ensure proper fitment.