Standard Ignition Automatic Transmission Vacuum Modulator TM-23
Standard Ignition Automatic Transmission Vacuum Modulator TM-23
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In-stock orders are processed within 48 hours; transit time is additional.
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Read the shipping policyHelps control shifting by vacuum. (TM-23) by Standard Ignition
Performance-calibrated to match transmission shift points to engine load. Nylon-reinforced diaphragm ensures extensive durability and tear-proof operation. High-temperature oil seals ensure proper fit and leak-proof operation. Undergoes 100% end-of-line testing to validate performance.
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1975 | Buick | Apollo | SR, Base |
| 1975 | Buick | Century | Luxus |
| 1975 - 1977 | Buick | Century | Special, Custom, Base |
| 1977 - 1979 | Buick | Electra | 225 |
| 1980 - 1981 | Buick | Electra | Estate Wagon |
| 1977 - 1981 | Buick | Electra | Limited |
| 1978 - 1981 | Buick | Electra | Park Avenue |
| 1975 - 1978 | Buick | LeSabre | Base, Custom |
| 1977 | Buick | LeSabre | Custom Sport |
| 1978 | Buick | LeSabre | Sport |
| 1975 - 1977 | Buick | Regal | Base |
| 1977 | Buick | Regal | SR |
| 1977 - 1980 | Buick | Riviera | Base |
| 1978 | Buick | Riviera | LXXV Anniversary Edition |
| 1980 | Buick | Riviera | S |
| 1975 | Buick | Skylark | Base, SR |
| 1976 | Cadillac | Calais | Base |
| 1980 | Cadillac | Commercial Chassis | Base |
| 1978 - 1980 | Cadillac | DeVille | Cabriolet |
| 1977 - 1980 | Cadillac | DeVille | d'Elegance, Base |
| 1978 - 1979 | Cadillac | DeVille | Phaeton |
| 1977 - 1978 | Cadillac | Eldorado | Base, Biarritz |
| 1978 | Cadillac | Eldorado | Cabriolet |
| 1976 - 1977 | Cadillac | Fleetwood | 75 |
| 1977 | Cadillac | Fleetwood | 75 Formal |
| 1978 - 1980 | Cadillac | Fleetwood | Base |
| 1976 - 1980 | Cadillac | Fleetwood | Brougham d'Elegance, Brougham |
| 1976 | Cadillac | Fleetwood | Brougham Talisman, 60 Special Brougham |
| 1977 - 1980 | Cadillac | Fleetwood | Formal |
| 1976 | Cadillac | Seville | Base |
| 1973 | Chevrolet | Monte Carlo | S, Base, Landau |
| 1977 - 1980 | Oldsmobile | 98 | Regency, Luxury |
| 1977 | Oldsmobile | Custom Cruiser | Base |
| 1975 | Oldsmobile | Cutlass | 442, S, Base |
| 1975 | Oldsmobile | Cutlass Supreme | Hurst, Base, Cruiser |
| 1975 | Oldsmobile | Omega | Base, Salon |
| 1976 - 1980 | Oldsmobile | Toronado | Brougham |
| 1976 | Oldsmobile | Toronado | Custom |
| 1980 | Oldsmobile | Toronado | XSC |
| 1979 | Oldsmobile | Toronado | XSR |
| 1977 - 1980 | Pontiac | Firebird | Esprit, Trans Am, Formula, Base |
| 1977 | Pontiac | Grand LeMans | Base, LE, Safari |
| 1977 | Pontiac | Grand Prix | Base, SJ, LJ |
| 1977 | Pontiac | LeMans | Sport, Safari, Base, Sport Coupe |
