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Carter M6984 Mechanical Fuel Pump
Reliable Mechanical Fuel Pump for Ford and Mercury Vehicles
The Carter M6984 mechanical fuel pump is designed to provide consistent fuel delivery for select Ford and Mercury models. Engineered with precise inlet and outlet specifications, this pump supports efficient fuel flow and pressure for vehicles like the Mustang, F-150, and Thunderbird.
- Mechanical fuel pump with 1 inlet and 1 outlet
- Inlet outside diameter: 9.5 mm with hose-type connection
- Threaded outlet with 1/2-20 UNF fitting
- Minimum flow rating of 23 gallons per hour
- Operating pressure range between 5 and 6.5 psi
- Includes gasket or seal for installation
- Mounting hole quantity: 2 (mounting hardware not included)
Product Details and Specifications
The Carter M6984 mechanical fuel pump is built to meet the fuel delivery requirements of various Ford and Mercury vehicles, including the Capri, Colony Park, Cougar, F-100, F-150, F-250, LTD, Marauder, Marquis, Montego, Mustang, Thunderbird, and Villager. Its single inlet hose connection with a 9.5 mm outside diameter ensures compatibility with standard fuel lines, while the threaded outlet fitting (1/2-20 UNF) provides a secure connection to the fuel system. The pump maintains a minimum flow rating of 23 gallons per hour and operates within a pressure range of 5 to 6.5 psi, supporting steady fuel supply under typical engine conditions. The included gasket or seal helps ensure a proper seal during installation, although mounting hardware is not provided.
Applications and Common Issues Addressed
- Restores proper fuel delivery in Ford Mustang and F-150 models experiencing fuel starvation
- Replaces worn or leaking mechanical fuel pumps in Mercury Cougar and Thunderbird vehicles
- Solves low fuel pressure problems causing engine hesitation or stalling
- Addresses fuel pump failure symptoms such as hard starting or poor acceleration
- Supports maintenance and restoration projects on classic Ford and Mercury cars and trucks
Installation Notes and Tips
When installing the Carter M6984 mechanical fuel pump, ensure the gasket or seal is properly seated to prevent fuel leaks. Verify that the inlet hose matches the 9.5 mm outside diameter for a secure fit. Use appropriate tools to tighten the 1/2-20 UNF threaded outlet fitting without over-torquing. Since mounting hardware is not included, retain or source compatible bolts for the two mounting holes. It is recommended to inspect fuel lines and related components during installation to maintain overall fuel system integrity.
Quality Assurance and Warranty Information
Carter mechanical fuel pumps are manufactured to meet industry standards for durability and performance. The M6984 part number undergoes quality control testing to ensure consistent flow and pressure specifications. This product includes a gasket or seal to support proper installation. Warranty coverage details should be confirmed through the original equipment manufacturer or authorized distributors.
| Brand | Carter |
|---|---|
| Part Number | M6984 |
| Gasket Or Seal Included | Yes |
| Inlet Outside Diameter | 9.5 |
| Inlet Quantity | 1 |
| Inlet Type | Hose |
| Maximum Pressure | 6.5 |
| Minimum Flow Rating | 23 |
| Minimum Pressure | 5 |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 2 |
| Outlet Fitting Thread Size | 1/2-20 UNF |
| Outlet Quantity | 1 |
| Outlet Type | Threaded |
| Pump Type | Mechanical |
This part fits 70 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1976 | Ford | F-100 | 5.9L | V8 | N/A | without In-Cab Tank | |
| 1976 | Ford | F-100 | 6.4L | V8 | N/A | without In-Cab Tank | |
| 1976 | Ford | F-150 | 5.9L | V8 | N/A | without In-Cab Tank | |
| 1976 | Ford | F-150 | 6.4L | V8 | N/A | without In-Cab Tank | |
| 1976 | Ford | F-250 | 5.9L | V8 | N/A | without In-Cab Tank | |
| 1976 | Ford | F-250 | 6.4L | V8 | N/A | without In-Cab Tank | |
| 1975 | Ford | F-100 | 5.9L | V8 | N/A | without In-Cab Tank | |
| 1975 | Ford | F-100 | 6.4L | V8 | N/A | without In-Cab Tank | |
| 1975 | Ford | F-150 | 5.9L | V8 | N/A | without In-Cab Tank | |
| 1975 | Ford | F-150 | 6.4L | V8 | N/A | without In-Cab Tank | |
| 1975 | Ford | F-250 | 5.9L | V8 | N/A | without In-Cab Tank | |
| 1975 | Ford | F-250 | 6.4L | V8 | N/A | without In-Cab Tank | |
| 1974 | Ford | F-100 | RWD | 5.9L | V8 | N/A | |
| 1974 | Ford | F-100 | RWD | 6.4L | V8 | N/A | |
| 1974 | Ford | F-250 | RWD | 5.9L | V8 | N/A | |
| 1974 | Ford | F-250 | RWD | 6.4L | V8 | N/A | |
| 1973 | Ford | F-100 | RWD | 5.9L | V8 | N/A | |
| 1973 | Ford | F-100 | RWD | 6.4L | V8 | N/A | |
| 1973 | Ford | F-250 | RWD | 5.9L | V8 | N/A | |
| 1973 | Ford | F-250 | RWD | 6.4L | V8 | N/A | |
| 1970 | Ford | LTD | 6.4L | V8 | N/A | Stock Pump | |
| 1970 | Mercury | Colony Park | 6.4L | V8 | N/A | ||
| 1970 | Mercury | Cougar | 7.0L | V8 | N/A | ||
| 1970 | Mercury | Marauder | 6.4L | V8 | N/A | ||
| 1969 | Ford | LTD | 6.4L | V8 | N/A | Stock Pump | |
| 1969 | Ford | Mustang | 6.4L | V8 | N/A | Stock Pump | |
| 1969 | Mercury | Colony Park | 6.4L | V8 | N/A | ||
| 1969 | Mercury | Colony Park | 7.0L | V8 | N/A | ||
| 1969 | Mercury | Cougar | 6.4L | V8 | N/A | ||
| 1969 | Mercury | Cougar | 7.0L | V8 | N/A | ||
| 1969 | Mercury | Marauder | 6.4L | V8 | N/A | ||
| 1969 | Mercury | Marquis | 6.4L | V8 | N/A | without Police Package | |
| 1969 | Mercury | Marquis | 7.0L | V8 | N/A | without Police Package | |
| 1969 | Mercury | Montego | 6.4L | V8 | N/A | ||
| 1969 | Mercury | Montego | 7.0L | V8 | N/A | ||
| 1968 | Ford | LTD | 6.4L | V8 | N/A | Stock Pump | |
| 1968 | Ford | LTD | 7.0L | V8 | N/A | Stock Pump | |
| 1968 | Ford | Mustang | 6.4L | V8 | N/A | Stock Pump | |
| 1968 | Ford | Thunderbird | 6.4L | V8 | N/A | Stock Pump | |
| 1968 | Mercury | Colony Park | 6.4L | V8 | N/A | ||
| 1968 | Mercury | Colony Park | 7.0L | V8 | N/A | ||
| 1968 | Mercury | Cougar | 6.4L | V8 | N/A | ||
| 1968 | Mercury | Marquis | 6.4L | V8 | N/A | without Police Package | |
| 1968 | Mercury | Marquis | 7.0L | V8 | N/A | without Police Package | |
| 1968 | Mercury | Montego | 6.4L | V8 | N/A | ||
| 1968 | Mercury | Montego | 7.0L | V8 | N/A | ||
| 1967 | Ford | LTD | 5.8L | V8 | N/A | without Police Package; Stock Pump; without Special High Performance Engine | |
| 1967 | Ford | LTD | 6.4L | V8 | N/A | Stock Pump | |
| 1967 | Ford | LTD | 7.0L | V8 | N/A | Stock Pump | |
| 1967 | Ford | Mustang | 6.4L | V8 | N/A | without Integral Filter | |
| 1967 | Ford | Thunderbird | 6.4L | V8 | N/A | Stock Pump | |
| 1967 | Ford | Thunderbird | 7.0L | V8 | N/A | Stock Pump | |
| 1967 | Mercury | Capri | 6.4L | V8 | N/A | ||
| 1967 | Mercury | Colony Park | 6.4L | V8 | N/A | without Integral Filter | |
| 1967 | Mercury | Colony Park | 6.7L | V8 | N/A | without Integral Filter | |
| 1967 | Mercury | Colony Park | 7.0L | V8 | N/A | without Integral Filter | |
| 1967 | Mercury | Cougar | 6.4L | V8 | N/A | without Integral Filter | |
| 1967 | Mercury | Marquis | 6.4L | V8 | N/A | without Integral Filter | |
| 1967 | Mercury | Marquis | 6.7L | V8 | N/A | without Integral Filter | |
| 1967 | Mercury | Marquis | 7.0L | V8 | N/A | without Integral Filter | |
| 1967 | Mercury | Villager | 6.4L | V8 | N/A | ||
| 1966 | Ford | LTD | 5.8L | V8 | N/A | without Integral Filter | |
| 1966 | Ford | LTD | 7.0L | V8 | N/A | Stock Pump | |
| 1966 | Mercury | Capri | 6.4L | V8 | N/A | ||
| 1966 | Mercury | Colony Park | 6.4L | V8 | N/A | without Integral Filter | |
| 1966 | Mercury | Colony Park | 6.7L | V8 | N/A | without Integral Filter | |
| 1966 | Mercury | Colony Park | 7.0L | V8 | N/A | without Integral Filter | |
| 1966 | Mercury | Marauder | 6.4L | V8 | N/A | ||
| 1966 | Mercury | Marauder | 7.0L | V8 | N/A | ||
| 1965 | Ford | LTD | 7.0L | V8 | N/A | Stock Pump |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.