2003 Mercury Grand Marquis Fuel Sensors, Relays & Switches
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Original (OEM)Fuel System PartsThe fuel system is one of the critical systems of any vehicle. It consists of the fuel tank, pump, filter, and injectors or carburetor that are responsible for supplying your vehicle's heart with the right amount of fuel at the right... - Standard®Fuel Pressure SensorMercury Grand Marquis 2003, Fuel Pressure Sensor by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Each Fuel Pressure Sensor is a direct-fit OE replacement that ensures ease of installationHigh-quality materials withstand extreme conditions$87.82
- Motorcraft®Fuel Injector ConnectorMercury Grand Marquis With 16 Gauge 2003, Fuel Injector Connector by Motorcraft®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$29.34
- Santech®Fuel Pump RelayMercury Grand Marquis GS / LS 2003, Fuel Pump Relay by Santech®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will...Premium parts you can rely onDesigned to restore functionality$10.95
- TRQ®Fuel Injector Harness ConnectorMercury Grand Marquis 2003, Fuel Injector Harness Connector by TRQ®. Want to keep your car in a good condition? Consider this high-grade TRQ fuel injector harness connector. Manufactured using the best engineering techniques and...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$19.95 - $30.95Save: up to 6%$18.95 - $29.09
- Standard®Fuel Pump Control Module ConnectorMercury Grand Marquis 2003, Fuel Pump Control Module Connector by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...Protective Tubing IncludedEach part has high-quality direct replacement electrical connector that eliminates the need for a harness, replacing only the damaged connector, for a cost effective repair solution$59.42
- Standard®Fuel Tank Pressure SensorMercury Grand Marquis 2003, Fuel Tank Pressure Sensor by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$53.95
- Standard®Throttle Position Sensor ConnectorMercury Grand Marquis 2003, Throttle Position Sensor Connector by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$17.48
- Motorcraft®Fuel Pump and Sending Unit ConnectorMercury Grand Marquis 2003, Fuel Pump and Sending Unit Connector by Motorcraft®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$60.72
- Motorcraft®Throttle Position Sensor ConnectorMercury Grand Marquis 2003, Throttle Position Sensor Connector by Motorcraft®. Motorcraft is the way to restore the performance of your vehicle. Designed specifically for your vehicle, Motorcraft products meet stringent Ford Motor...Direct OEM replacementMeets strict Ford Motor Company standards$15.56
- Dorman®OE Solutions™ Fuel Filler Door SwitchMercury Grand Marquis 2003, OE Solutions™ Fuel Filler Door Switch by Dorman®. This fuel filler door switch is designed to match the appearance and function of the original switch on specified applications. Made of quality materials,...Direct replacement - this fuel filler door switch is made to match the fit and performance of the original switch on specific vehicle applicationsIdeal solution - this switch is a reliable replacement for an original part that has failed due to fatigue$38.04
- ACDelco®Professional™ Fuel Pump ConnectorMercury Grand Marquis 2003, Professional™ Fuel Pump Connector by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$18.45Save: $2.82 (15%)$15.63
- WVE®Throttle Control RelayMercury Grand Marquis 2003, Throttle Control Relay by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality....Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$5.72
- WVE®Throttle Position Sensor ConnectorMercury Grand Marquis 2003, Throttle Position Sensor Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$13.55
- SMP®Fuel Pressure SensorMercury Grand Marquis 2003, Fuel Pressure Sensor by SMP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...Designed specifically for motorcycle applicationsPerfect to help you work more efficiently$127.94
- Fragola Performance Systems®Sport Crimp Hose EndSport Crimp Hose End by Fragola Performance Systems®. Designed with big speed fans in mind, this mind-blowing fuel system upgrade will help you maximize engine performance and fuel efficiency. It’s easy to install and will help you...Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency$16.50
- WVE®Fuel Pump Relay ConnectorMercury Grand Marquis 2003, Fuel Pump Relay Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality....Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$20.23
- Motorcraft®Flex Fuel Module ConnectorMercury Grand Marquis 2003, Flex Fuel Module Connector by Motorcraft®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$33.38
- NTK®Fuel Tank Pressure SensorMercury Grand Marquis 2003, Fuel Tank Pressure Sensor by NTK®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$508.37
- TruParts®Fuel Pressure SensorMercury Grand Marquis 2003, Fuel Pressure Sensor by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance with...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$122.95
- TruParts®Fuel Tank Pressure SensorMercury Grand Marquis With 3 Terminals 2003, Fuel Tank Pressure Sensor by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$64.26
- TruParts®Throttle Position Sensor ConnectorMercury Grand Marquis With 3 Female Terminals 2003, Throttle Position Sensor Connector by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$23.11
- gpd®Fuel Temperature SensorMercury Grand Marquis 2003, Fuel Temperature Sensor by gpd®. Fuel Temperature Sensor. gpd engine management sensors are designed to send accurate information to the ECM. Engine management sensors can affect fuel, exhaust, timing, and...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$11.17
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2003 Mercury Grand Marquis Fuel Sensors & Switches Reviews
1 review
Connector Worked Properly
Motorcraft® WPT1051 - Fuel Injector ConnectorPosted by Kevin (Midlothian, TX) / October 28, 2017
2003 Mercury Grand Marquis Models
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