Porter-Cable 887078 Inlet Coupler Cover – Genuine OEM Replacement Pneumatic Nailer Air Coupler Protective Cover

Part Number: 887078
Category: Pneumatic Tool Parts & Accessories → Nailer Parts → Air Inlet Coupler Covers
Type: Porter-Cable 887078 Inlet Coupler Cover – Genuine OEM Replacement Pneumatic Nailer Air Coupler Protective Cover

The Porter-Cable 887078 Inlet Coupler Cover is a genuine OEM replacement protective cover designed for compatible Porter-Cable pneumatic nailers. This durable plastic cover fits over the 1/4-inch air inlet quick-connect coupler, helping protect the air fitting from dust, dirt, wood chips, and other contaminants when the nailer is not connected to an air hose. Manufactured to original equipment specifications, it provides a direct-fit replacement for cracked, worn, or missing coupler covers, helping extend the life of the pneumatic system and maintain reliable tool performance.

Key Features & Benefits

• Part Number: 887078
• Genuine OEM Porter-Cable replacement part
• Replacement air inlet coupler protective cover
• Fits standard 1/4-inch air inlet quick-connect fittings
• Helps keep dirt, dust, and debris out of the air inlet
• Durable molded plastic construction
• Protects the coupler during storage and transport
• Direct-fit OEM replacement
• Manufactured to original equipment specifications

Technical Specifications

Part Number: 887078

Manufacturer: Porter-Cable

Product Type: Air Inlet Coupler Protective Cover

Material: Molded Plastic

Application: Pneumatic Nailer Air Inlet Protection

OEM Part: Yes

Quantity: Sold Individually

Approximate Dimensions: 2.75" × 0.95" × 0.20"

Compatible Applications

The Porter-Cable 887078 Inlet Coupler Cover fits numerous compatible pneumatic nailers, including:

Porter-Cable

• COIL200 (Type 1)
• COIL250 (Types 1 & 2)
• COIL350 (Types 1 & 2)
• FC350 (Types 1, 2 & 3)
• FC350A (Types 1 & 2)
• FCN200 (Type 1)
• FM350A (Type 1)
• FR350 (Types 1, 2 & 3)
• FR350A (Type 1)
• FR350MAG (Types 1 & 2)
• MS200 (Types 1 & 2)
• RN175 (Types 1 & 2)
• RN175A (Type 1)

Always verify your tool model, type number, and original part number before ordering to ensure proper compatibility.

Function of the Air Coupler Protective Cover

The 887078 Inlet Coupler Cover is designed to:

• Cover the pneumatic air inlet quick-connect fitting
• Prevent dust, dirt, and debris from entering the air system
• Help reduce contamination of internal pneumatic components
• Protect the air coupler during transport and storage
• Extend the service life of the air inlet fitting
• Restore the tool's original protective cover

Using a genuine OEM replacement cover helps keep the air system clean and contributes to dependable pneumatic nailer performance.

Common Signs Replacement Is Needed

Replace the inlet coupler cover if you notice:

• Cracked or split plastic
• Loose fit on the air coupler
• Missing protective cover
• Excessive wear from repeated use
• Dirt or debris collecting around the air fitting
• Damaged retaining area

A missing or damaged coupler cover can allow contaminants to enter the air inlet, potentially increasing wear on internal pneumatic components.

Installation & Service Notes

Disconnect the nailer from the air supply before servicing.

Remove the damaged 887078 Inlet Coupler Cover from the air inlet fitting. Clean the quick-connect coupler to remove any dirt, sawdust, or debris before installing the replacement cover. Position the new cover over the 1/4-inch air coupler and press it into place until it is fully seated. Verify that the cover fits securely while still allowing easy removal whenever the air hose is connected. Installation typically requires no special tools and can be completed in less than one minute. Some models may require a hex (Allen) wrench if the air fitting is being removed during service.

Important: Always verify your nailer model and original part number before ordering. Keep the protective cover installed whenever the tool is not connected to an air hose to help prevent contamination of the pneumatic system. Use genuine OEM Porter-Cable replacement parts to maintain factory fit, proper protection, and long-term pneumatic tool reliability.

Maintenance Recommendations

• Keep the protective cover installed during storage and transport.
• Wipe the air coupler clean before connecting an air hose.
• Inspect the cover regularly for cracks or wear.
• Replace damaged or missing covers promptly.
• Use clean, dry, regulated compressed air to minimize contamination.
• Use genuine OEM replacement parts to maintain factory fit, protect the air inlet, and ensure long-term pneumatic nailer performance.