Walker 900-P2077 Coil Boot

Walker ThunderCore-Ultra Coil Boot for Cadillac

Walker ThunderCore-Ultra coil boot part number 900-P2077 is a direct-fit ignition hardware component for select Cadillac applications. It is listed for 2003-2004 Cadillac CTS and 1999-2001 Cadillac Catera, with fitment matched to the ThunderCore-Ultra line.

Key Features

• Coil boot for ignition hardware service
• Walker ThunderCore-Ultra product line
• Fits 2003-2004 Cadillac CTS, N/A
• Fits 1999-2001 Cadillac Catera, N/A
• Part number 900-P2077 for application matching

Product Details

The Walker ThunderCore-Ultra line identifies this boot as part of a specific ignition service range for Cadillac vehicles. Use 900-P2077 when replacing a worn or damaged coil boot on a 2003-2004 Cadillac CTS or a 1999-2001 Cadillac Catera. This part number also helps narrow search results when looking for Walker 900-P2077 ignition hardware for Cadillac CTS and Cadillac Catera service.

Common Reasons for Replacement

• Cracked or deteriorated coil boot material
• Misfire symptoms tied to ignition boot wear
• Moisture intrusion at the coil-to-plug connection
• Hard starting or rough running related to ignition transfer issues

Installation Notes

Verify the vehicle year, make, and model before ordering. Confirm the existing ignition component matches the ThunderCore-Ultra application listing and inspect the surrounding ignition parts for wear during service. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Walker identifies ThunderCore-Ultra as a dedicated product line within its ignition hardware range. Use the confirmed fitment listing to match 900-P2077 to the correct Cadillac application before installation.