BCBC V1698 Engine Exhaust Valve

Engine Exhaust Valve Overview

The Melling V1698 is a standard replacement engine exhaust valve built for select Ford, Lincoln, and Mercury applications. It uses steel construction, a coated finish, and heat-resistant materials to support consistent exhaust flow and long service life in demanding engine environments.

Key Features

• Steel exhaust valve with a coated finish for added surface protection.
• Standard replacement grade for stock-style engine service.
• 45-degree seat angle for proper valve seating.
• 1.34 in. valve head diameter and 0.274 in. stem diameter.
• Designed for Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis applications.

Detailed Description

Melling V1698 is engineered as an exhaust valve replacement for engines that require precise dimensions and dependable heat resistance. The 117.0 mm overall length, 3-groove lock design, and coated steel construction support stable operation under repeated thermal cycling. This part number V1698 is also cross-referenced to select interchange numbers for the same application, including 10-1698S and E-1698.

Compatible With Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis applications, as well as select Ford E-Series, Expedition, F-Series, and Thunderbird fitments listed below. Fits 1992-2000 Ford Crown Victoria, N/A; Fits 1992-2000 Lincoln Town Car, N/A; Fits 1992-2000 Mercury Grand Marquis, N/A; Fits 1997-1999 Ford E-150 Econoline, N/A; Fits 1997-1999 Ford E-150 Econoline Club Wagon, N/A; Fits 1997-1999 Ford E-250 Econoline, N/A; Fits 1997-1999 Ford E-350 Econoline, N/A; Fits 1997-1999 Ford E-350 Econoline Club Wagon, N/A; Fits 1999 Ford E-350 Super Duty, N/A; Fits 1997-1999 Ford Econoline Super Duty, N/A; Fits 1997-1999 Ford Expedition, N/A; Fits 1997-1999 Ford F-150, N/A; Fits 1997-1999 Ford F-250, N/A; Fits 1999 Ford F-250 Super Duty, N/A; Fits 1999 Ford F-350 Super Duty, N/A; Fits 1999 Ford F-450 Super Duty, N/A; Fits 1999 Ford F-53 Motorhome Chassis, N/A; Fits 1999 Ford F-550 Super Duty, N/A; Fits 1998-1999 Lincoln Navigator, N/A; Fits 1994-1997 Ford Thunderbird, N/A; Fits 1994-1997 Mercury Cougar, N/A.

Common Uses

• Restoring proper exhaust valve sealing.
• Replacing a worn or heat-damaged valve.
• Addressing loss of compression from valve wear.
• Correcting exhaust flow issues caused by a damaged valve face or stem.

Installation Notes

Verify valve head diameter, stem diameter, seat angle, and overall length before installation. Match the part to the engine specification and inspect related valvetrain components for wear during service. Professional cylinder head work and proper valve seating procedures are recommended.

Quality Assurance

Melling manufactures exhaust valves with precision engineering, superior-grade alloy selection, and advanced production methods to meet demanding engine specifications. The V1698 is built for durable service in OEM and performance-oriented applications.