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Pioneer Cables 839012 Woodruff Key
Pioneer Cables 839012 Woodruff Key for Ford and Mercury
Pioneer Cables 839012 is a Woodruff key for classic Ford, Lincoln, and Mercury applications that use a wide 3/16" x 1 13/32" hi-perf. key profile. It is listed for a broad range of vintage V8-era vehicles, including Ford Mustang, Ford Thunderbird, and Mercury Cougar applications.
Key Features
- Woodruff key for engine and drivetrain service applications
- Wide hi-performance profile: 3/16" x 1 13/32"
- Direct fitment listed for multiple Ford, Lincoln, and Mercury models
- Part number 839012 for catalog and service matching
- Fits classic applications such as Ford LTD, Mercury Marquis, and Lincoln Continental
Detailed Description
Pioneer Cables 839012 is a replacement Woodruff key used in service work where a precise keyed connection is required. The fitment data covers 1961-1978 vehicles across Ford, Lincoln, and Mercury, including Fits 1967-1969 Ford Mustang, N/A; Fits 1961-1968 Ford Thunderbird, N/A; and Fits 1968-1978 Lincoln Continental, N/A. This part number 839012 also appears in listings for Mercury Cougar, Mercury Montego, Mercury Colony Park, Mercury Marauder, Mercury Villager, Mercury Marquis, Mercury Grand Marquis, Ford LTD, and Ford Thunderbird applications.
What It Is Used For
- Replacing a worn or damaged Woodruff key during engine service
- Restoring proper alignment between keyed components
- Addressing fitment issues caused by incorrect key size
- Supporting maintenance on classic Ford, Lincoln, and Mercury drivetrains
Installation Notes and Tips
Verify the required key dimensions before installation: 3/16" x 1 13/32" wide hi-perf. specification. Match the application to the exact year, make, and model listed for your vehicle, since fitment varies across Ford Mustang, Ford Thunderbird, Mercury Cougar, and related platforms. Confirm the keyed slot is clean and free of burrs before seating the part.
Quality Assurance
Pioneer Cables 839012 is cataloged as a service-grade hardware component for the listed classic vehicle applications. This part cross-references no additional part numbers in the provided data.
This part fits 88 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1978 | Ford | LTD | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1978 | Lincoln | Continental | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1978 | Mercury | Grand Marquis | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1978 | Mercury | Marquis | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1977 | Ford | LTD | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1977 | Lincoln | Continental | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1977 | Mercury | Grand Marquis | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1977 | Mercury | Marquis | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1976 | Ford | LTD | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1976 | Ford | Thunderbird | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1976 | Lincoln | Continental | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1976 | Mercury | Cougar | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1976 | Mercury | Grand Marquis | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1976 | Mercury | Marquis | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1976 | Mercury | Montego | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1975 | Ford | LTD | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1975 | Ford | Thunderbird | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1975 | Lincoln | Continental | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1975 | Mercury | Cougar | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1975 | Mercury | Grand Marquis | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1975 | Mercury | Marquis | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1975 | Mercury | Montego | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1974 | Ford | LTD | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1974 | Ford | Thunderbird | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1974 | Lincoln | Continental | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1974 | Mercury | Colony Park | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1974 | Mercury | Cougar | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1974 | Mercury | Marquis | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1974 | Mercury | Montego | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1973 | Ford | LTD | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1973 | Ford | Thunderbird | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1973 | Lincoln | Continental | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1973 | Mercury | Colony Park | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1973 | Mercury | Cougar | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1973 | Mercury | Marquis | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1973 | Mercury | Montego | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1972 | Ford | LTD | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1972 | Ford | Thunderbird | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1972 | Lincoln | Continental | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1972 | Mercury | Colony Park | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1972 | Mercury | Marquis | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1971 | Ford | LTD | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1971 | Lincoln | Continental | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1970 | Ford | LTD | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1970 | Lincoln | Continental | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1970 | Mercury | Colony Park | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1970 | Mercury | Marauder | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1970 | Mercury | Marquis | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1969 | Ford | LTD | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1969 | Ford | Mustang | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1969 | Lincoln | Continental | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1969 | Mercury | Colony Park | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1969 | Mercury | Cougar | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1969 | Mercury | Marauder | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1969 | Mercury | Marquis | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1969 | Mercury | Montego | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1968 | Ford | LTD | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1968 | Ford | Mustang | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1968 | Ford | Thunderbird | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1968 | Lincoln | Continental | 7.5L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1968 | Mercury | Colony Park | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1968 | Mercury | Cougar | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1968 | Mercury | Marquis | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1968 | Mercury | Montego | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1967 | Ford | LTD | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1967 | Ford | Mustang | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1967 | Ford | Thunderbird | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1967 | Mercury | Colony Park | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1967 | Mercury | Cougar | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1967 | Mercury | Villager | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1966 | Ford | LTD | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1966 | Ford | Thunderbird | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1966 | Mercury | Colony Park | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1966 | Mercury | Marauder | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1966 | Mercury | Villager | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1965 | Ford | LTD | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1965 | Ford | Thunderbird | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1965 | Mercury | Colony Park | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1965 | Mercury | Marauder | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1964 | Ford | Thunderbird | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1964 | Mercury | Colony Park | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1964 | Mercury | Marauder | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1963 | Ford | Thunderbird | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1963 | Mercury | Colony Park | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1963 | Mercury | Marauder | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1962 | Ford | Thunderbird | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1962 | Mercury | Colony Park | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
| 1961 | Ford | Thunderbird | 6.4L | V8 | N/A | Kit - Hi-Perf. - Wide - 3/16" x 1 13/32" |
* 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.