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Standard Ignition TM-27 Automatic Transmission Vacuum Modulator
| Brand | Standard Ignition TM-27 |
|---|---|
| Part Finish | Brass |
| Fits | Ford and Mercury · 56 vehicles |
OE direct replacement. Designed to fix inherent failure issues when original equipment fails.
Brass finish. Provides durable construction for dependable transmission control.
Precision engineered. Built with high-grade materials for peak operation.
Cross-references 7R1029, 57-7012 and 89057790 for the same application. See all 7.
Automatic Transmission Vacuum Modulator for Classic Ford
Standard Ignition TM-27 is an automatic transmission vacuum modulator built with high-grade materials for precise transmission control. It is designed for vehicles that use a brass-finished modulator with one hose connector, including select Ford and Mercury applications from the 1969-1981 model years.
Key Features
- Automatic transmission vacuum modulator for select Ford and Mercury vehicles
- Brass finish for durable service in transmission applications
- 1 hose connector for the specified vacuum connection layout
- Built for precision operation in automatic transmission control
- Standard Ignition TM-27 replacement part number for easy identification
Detailed Description
Standard Ignition TM-27 is an automatic transmission vacuum modulator used on a range of classic Ford and Mercury vehicles, including Ford LTD, Thunderbird, F-100, Mustang, Pinto, and Mercury Marquis, Cougar, Montego, and Colony Park applications. This modulator is engineered to address original equipment failures with a focus on accurate operation and consistent fitment for the listed dual diaphragm, FMX, Cruise-O-Matic, and Model XPL configurations. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
What It Is Used For
- Transmission shift quality concerns related to vacuum modulator wear
- Vacuum leaks at the transmission modulator connection
- Incorrect transmission response on FMX, Cruise-O-Matic, or Model XPL setups
- Replacement of a failed modulator on classic Ford and Mercury drivetrains
- Restoring proper vacuum signal control in automatic transmission operation
Installation Notes and Tips
Verify the transmission type and vacuum-port configuration before installation. Confirm the vehicle uses the listed dual diaphragm, dual hose, push-in type, or 2-vacuum-port arrangement as shown in the fitment data. Match the existing connection style and inspect the vacuum hose and surrounding transmission components for wear before installing Standard Ignition TM-27.
Quality Assurance
Standard Ignition builds transmission modulators with high-grade materials and precision-focused engineering. TM-27 reflects the brand’s long-running development work for technician needs and is intended to address common failure points found in original equipment modulators.
Compatible Vehicles
- Fits 1981 Ford LTD, w/ Dual Diaphragm
- Fits 1981 Ford Thunderbird, w/ Dual Diaphragm
- Fits 1974 Ford Thunderbird, w/ Dual Diaphragm
- Fits 1981 Mercury Marquis, w/ Dual Diaphragm
- Fits 1977-1979 Mercury Marquis, w/ Dual Diaphragm
- Fits 1980 Mercury Monarch, w/ Dual Diaphragm
- Fits 1976-1977 Mercury Monarch, w/ Dual Diaphragm
- Fits 1974-1976 Ford F-100, w/ FMX Transmission; Dual Diaphragm
- Fits 1975-1976 Ford LTD, w/ Cruise-O-Matic Trans.; Dual Hose
- Fits 1976 Ford Thunderbird, w/ 2 Vacuum Ports; Model XPL Trans.
- Fits 1973-1974 Ford LTD, w/ Cruise-O-Matic Trans.
- Fits 1974 Ford Pinto, w/ Dual Diaphragm
- Fits 1974 Ford Thunderbird, Automatic Transmission Vacuum Modulator for Model XPL Trans.
- Fits 1973-1974 Mercury Colony Park, w/ Dual Diaphragm
- Fits 1973-1974 Mercury Cougar, w/ Dual Diaphragm
- Fits 1973-1974 Mercury Cougar, w/ FMX Transmission
- Fits 1973-1974 Mercury Montego, w/ Dual Diaphragm
- Fits 1973-1974 Mercury Montego, w/ FMX Transmission
- Fits 1973 Ford Mustang, w/ Cruise-O-Matic Trans.; Push-In Type
- Fits 1973 Mercury Colony Park, w/ FMX Transmission
- Fits 1973 Mercury Marquis
- Fits 1972 Ford E-100 Econoline, w/ 2 Vacuum Ports
- Fits 1969-1970 Ford E-100 Econoline, w/ 2 Vacuum Ports
- Fits 1972 Ford F-100, w/ FMX Transmission; w/ 2 Vacuum Ports
- Fits 1972 Ford F-250, w/ FMX Transmission; w/ 2 Vacuum Ports
- Fits 1972 Ford F-350, w/ FMX Transmission; w/ 2 Vacuum Ports
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1981 | Ford | LTD | Automatic | 5.0L | V8 | N/A | w/ Dual Diaphragm |
| 1981 | Ford | LTD | Automatic | 4.2L | V8 | N/A | w/ Dual Diaphragm |
| 1981 | Ford | LTD | Automatic | 5.8L | V8 | N/A | w/ Dual Diaphragm |
| 1981 | Ford | Thunderbird | Automatic | 5.0L | V8 | N/A | w/ Dual Diaphragm |
| 1981 | Mercury | Marquis | Automatic | 5.8L | V8 | N/A | w/ Dual Diaphragm |
| 1981 | Mercury | Marquis | Automatic | 4.2L | V8 | N/A | w/ Dual Diaphragm |
| 1980 | Mercury | Monarch | Automatic | 4.2L | V8 | N/A | w/ Dual Diaphragm |
| 1980 | Mercury | Monarch | Automatic | 4.1L | L6 | N/A | w/ Dual Diaphragm |
| 1979 | Mercury | Marquis | Automatic | 5.8L | V8 | N/A | w/ Dual Diaphragm |
| 1978 | Mercury | Marquis | Automatic | 7.5L | V8 | N/A | w/ Dual Diaphragm |
| 1978 | Mercury | Marquis | Automatic | 5.8L | V8 | N/A | w/ Dual Diaphragm |
| 1977 | Mercury | Marquis | Automatic | 7.5L | V8 | N/A | w/ Dual Diaphragm |
| 1977 | Mercury | Monarch | Automatic | 5.8L | V8 | N/A | w/ Dual Diaphragm |
| 1977 | Mercury | Monarch | Automatic | 3.3L | L6 | N/A | w/ Dual Diaphragm |
| 1976 | Ford | F-100 | — | -L | -- | N/A | w/ FMX Transmission; Dual Diaphragm |
| 1976 | Ford | F-100 | — | 5.0L | V8 | N/A | w/ FMX Transmission; Dual Diaphragm |
| 1976 | Ford | LTD | — | 5.8L | V8 | N/A | w/ Cruise-O-Matic Trans.; Dual Hose |
| 1976 | Ford | Thunderbird | — | — | — | N/A | w/ 2 Vacuum Ports; Model XPL Trans. |
| 1976 | Mercury | Monarch | Automatic | 5.8L | V8 | N/A | w/ Dual Diaphragm |
| 1976 | Mercury | Monarch | Automatic | 3.3L | L6 | N/A | w/ Dual Diaphragm |
| 1975 | Ford | F-100 | — | -L | -- | N/A | w/ FMX Transmission; Dual Diaphragm |
| 1975 | Ford | F-100 | — | 5.0L | V8 | N/A | w/ FMX Transmission; Dual Diaphragm |
| 1975 | Ford | LTD | — | 5.8L | V8 | N/A | w/ Cruise-O-Matic Trans.; Dual Hose |
| 1974 | Ford | F-100 | — | -L | -- | N/A | w/ FMX Transmission; Dual Diaphragm |
| 1974 | Ford | F-100 | — | 5.0L | V8 | N/A | w/ FMX Transmission; Dual Diaphragm |
| 1974 | Ford | F-100 | — | — | — | N/A | w/ FMX Transmission; Dual Diaphragm |
| 1974 | Ford | LTD | — | 5.8L | V8 | N/A | w/ Cruise-O-Matic Trans. |
| 1974 | Ford | Pinto | Automatic | 2.3L | L4 | N/A | w/ Dual Diaphragm |
| 1974 | Ford | Pinto | Automatic | 2.0L | L4 | N/A | w/ Dual Diaphragm |
| 1974 | Ford | Thunderbird | Automatic | 7.5L | V8 | N/A | w/ Dual Diaphragm |
| 1974 | Ford | Thunderbird | — | — | — | N/A | Automatic Transmission Vacuum Modulator for Model XPL Trans. |
| 1974 | Mercury | Colony Park | Automatic | 5.8L | V8 | N/A | w/ Dual Diaphragm |
| 1974 | Mercury | Cougar | Automatic | 7.5L | V8 | N/A | w/ Dual Diaphragm |
| 1974 | Mercury | Cougar | — | 5.8L | V8 | N/A | w/ FMX Transmission |
| 1974 | Mercury | Montego | Automatic | 4.1L | L6 | N/A | w/ Dual Diaphragm |
| 1974 | Mercury | Montego | Automatic | 5.0L | V8 | N/A | w/ Dual Diaphragm |
| 1974 | Mercury | Montego | Automatic | — | — | N/A | w/ Dual Diaphragm |
| 1974 | Mercury | Montego | — | 5.8L | V8 | N/A | w/ FMX Transmission |
| 1974 | Mercury | Montego | Automatic | 7.5L | V8 | N/A | w/ Dual Diaphragm |
| 1973 | Ford | LTD | — | 5.8L | V8 | N/A | w/ Cruise-O-Matic Trans. |
| 1973 | Ford | Mustang | — | — | — | N/A | w/ Cruise-O-Matic Trans.; Push-In Type |
| 1973 | Mercury | Colony Park | Automatic | 7.0L | V8 | N/A | w/ Dual Diaphragm |
| 1973 | Mercury | Colony Park | — | 5.8L | V8 | N/A | w/ FMX Transmission |
| 1973 | Mercury | Colony Park | Automatic | 7.5L | V8 | N/A | w/ Dual Diaphragm |
| 1973 | Mercury | Cougar | Automatic | 7.5L | V8 | N/A | w/ Dual Diaphragm |
| 1973 | Mercury | Cougar | — | 5.8L | V8 | N/A | w/ FMX Transmission |
| 1973 | Mercury | Marquis | — | 5.8L | V8 | N/A | — |
| 1973 | Mercury | Montego | Automatic | 7.0L | V8 | N/A | w/ Dual Diaphragm |
| 1973 | Mercury | Montego | Automatic | 7.5L | V8 | N/A | w/ Dual Diaphragm |
| 1973 | Mercury | Montego | — | 5.8L | V8 | N/A | w/ FMX Transmission |
| 1972 | Ford | E-100 Econoline | — | — | — | N/A | w/ 2 Vacuum Ports |
| 1972 | Ford | F-100 | — | — | — | N/A | w/ FMX Transmission; w/ 2 Vacuum Ports |
| 1972 | Ford | F-250 | — | — | — | N/A | w/ FMX Transmission; w/ 2 Vacuum Ports |
| 1972 | Ford | F-350 | — | — | — | N/A | w/ FMX Transmission; w/ 2 Vacuum Ports |
| 1970 | Ford | E-100 Econoline | — | — | — | N/A | w/ 2 Vacuum Ports |
| 1969 | Ford | E-100 Econoline | — | — | — | N/A | w/ 2 Vacuum Ports |
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