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Hygrade CV237 Carburetor Choke Thermostat
| Brand | Hygrade CV237 |
|---|---|
| Terminal Gender | Male |
| Terminal Type | Bullet |
| Fits | Ford, Mercury, and Lincoln · 98 vehicles |
Carburetor choke thermostat. Helps regulate choke operation for smoother cold starts.
Male bullet terminal. Single-terminal connection for straightforward wiring.
Since 1919. Hygrade has served the automotive aftermarket for generations.
Cross-references Anchor 9250, Standard Ignition TH296 and 2-30017 for the same application. See all 9.
Carburetor Choke Thermostat for Ford and Mercury
Hygrade CV237 is a carburetor choke thermostat for classic Ford, Lincoln, and Mercury applications that use VV or Ford carburetors. It is built for direct-fit service on a wide range of 1981-1991 vehicles, including Ford LTD Crown Victoria, Mercury Grand Marquis, and Ford Mustang applications.
- Carburetor choke thermostat for air and fuel delivery service
- Male terminal with bullet-style connection
- 1-terminal electrical design
- Fits many Ford, Lincoln, and Mercury carbureted applications from 1981-1991
- Hygrade CV237 replacement part number for catalog and service matching
Application Coverage
Compatible With 1981-1991 Ford, Lincoln, and Mercury carbureted vehicles listed in the fitment data, including Ford LTD Crown Victoria, Ford LTD, Ford Mustang, Ford Thunderbird, Mercury Grand Marquis, Mercury Cougar, and Lincoln Continental. This part cross-references Standard Ignition TH296 for the same application.
What This Part Helps Address
- Hard cold starts caused by choke thermostat wear
- Improper choke operation during warm-up
- Rough idle after startup on carbureted engines
- Choke response issues in VV and Ford carburetor setups
- Driveability problems tied to incorrect choke temperature control
Installation Notes and Tips
Verify carburetor type, terminal style, and OE reference before installation. This Hygrade CV237 choke thermostat uses a male bullet terminal and a single electrical connection, so matching the original connector is important for proper fitment. Confirm the vehicle’s carburetor code and emissions notes shown in the fitment data, especially on 1981-1991 Ford LTD, Mercury Grand Marquis, and Ford Thunderbird applications.
Quality Assurance
Hygrade has served the automotive aftermarket since 1919 and focuses on carburetion coverage and quality for classic fuel-system service. CV237 is backed by that long-running aftermarket experience and catalog coverage for older Ford, Lincoln, and Mercury applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1991 | Ford | LTD Crown Victoria | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; F0AE-AA |
| 1990 | Ford | LTD Crown Victoria | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; F0AE-AA |
| 1989 | Ford | LTD Crown Victoria | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E2AE-AJA, APA, E7AE-AA, E8AE-AA |
| 1989 | Mercury | Grand Marquis | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E2AE-AJA, APA, E7AE-AA, E8AE-AA |
| 1988 | Ford | LTD Crown Victoria | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E2AE-AJA, APA, E7AE-AA, E8AE-AA |
| 1988 | Mercury | Grand Marquis | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E2AE-AJA, APA, E7AE-AA, E8AE-AA |
| 1987 | Ford | Cougar | — | — | N/A | — |
| 1987 | Ford | LTD Crown Victoria | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E2AE-AJA, APA, E7AE-AA, E8AE-AA |
| 1987 | Ford | Thunderbird | 3.8L | V6 | N/A | — |
| 1987 | Mercury | Cougar | 3.8L | V6 | N/A | E5SE-GA, HA, JA, KA, E6SE-AA, BA |
| 1987 | Mercury | Grand Marquis | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E2AE-AJA, APA, E7AE-AA, E8AE-AA |
| 1986 | Ford | Cougar | — | — | N/A | — |
| 1986 | Ford | LTD | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E2AE-AJA, APA, E7AE-AA, E8AE-AA |
| 1986 | Ford | LTD | 3.8L | V6 | N/A | — |
| 1986 | Ford | Mustang | 3.8L | V6 | N/A | — |
| 1986 | Ford | Thunderbird | 3.8L | V6 | N/A | — |
| 1986 | Mercury | Capri | 3.8L | V6 | N/A | E5SE-GA, HA, JA, KA, E6SE-AA, BA |
| 1986 | Mercury | Cougar | 3.8L | V6 | N/A | E5SE-GA, HA, JA, KA, E6SE-AA, BA |
| 1986 | Mercury | Grand Marquis | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E2AE-AJA, APA, E7AE-AA, E8AE-AA |
| 1985 | Ford | Cougar | — | — | N/A | — |
| 1985 | Ford | LTD | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E2AE-AJA, APA, E7AE-AA, E8AE-AA |
| 1985 | Ford | LTD | 3.8L | V6 | N/A | — |
| 1985 | Ford | LTD | 5.0L | V8 | N/A | — |
| 1985 | Ford | Mustang | 3.8L | V6 | N/A | — |
| 1985 | Ford | Mustang | 5.0L | V8 | N/A | — |
| 1985 | Ford | Thunderbird | 3.8L | V6 | N/A | — |
| 1985 | Ford | Thunderbird | 5.0L | V8 | N/A | — |
| 1985 | Lincoln | Continental | 5.0L | V8 | N/A | E55E-EA, EB, EC, E5AE-EA, E5LE-AA, E5ZE-BA, CA |
| 1985 | Lincoln | Mark VII | 5.0L | V8 | N/A | E55E-EA, EB, EC, E5AE-EA, E5LE-AA, E5ZE-BA, CA |
| 1985 | Lincoln | Town Car | 5.0L | V8 | N/A | E55E-EA, EB, EC, E5AE-EA, E5LE-AA, E5ZE-BA, CA |
| 1985 | Mercury | Capri | 5.0L | V8 | N/A | E4ZE-BA, E5AE-EA, E5SE-FA, E5ZE-BA, CA, DA |
| 1985 | Mercury | Capri | 3.8L | V6 | N/A | E5SE-GA, HA, JA, KA, E6SE-AA, BA |
| 1985 | Mercury | Cougar | 5.0L | V8 | N/A | E4ZE-BA, E5AE-EA, E5SE-FA, E5ZE-BA, CA, DA |
| 1985 | Mercury | Cougar | 3.8L | V6 | N/A | E5SE-GA, HA, JA, KA, E6SE-AA, BA |
| 1985 | Mercury | Grand Marquis | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E2AE-AJA, APA, E7AE-AA, E8AE-AA |
| 1985 | Mercury | Grand Marquis | 5.0L | V8 | N/A | E4ZE-BA, E5AE-EA, E5SE-FA, E5ZE-BA, CA, DA |
| 1984 | Ford | LTD | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E2AE-AJA, APA, E7AE-AA, E8AE-AA |
| 1984 | Ford | LTD | 3.8L | V6 | N/A | — |
| 1984 | Ford | LTD | 5.0L | V8 | N/A | — |
| 1984 | Ford | Mustang | 3.8L | V6 | N/A | — |
| 1984 | Ford | Mustang | 5.0L | V8 | N/A | — |
| 1984 | Ford | Thunderbird | 3.8L | V6 | N/A | — |
| 1984 | Ford | Thunderbird | 5.0L | V8 | N/A | — |
| 1984 | Lincoln | Continental | 5.0L | V8 | N/A | E45E-EA, E4AE-FB, KB, NA |
| 1984 | Lincoln | Mark VII | 5.0L | V8 | N/A | E45E-EA, E4AE-FB, KB, NA |
| 1984 | Lincoln | Town Car | 5.0L | V8 | N/A | E45E-EA, E4AE-FB, KB, NA |
| 1984 | Mercury | Capri | 5.0L | V8 | N/A | E45E-EA, E4AE-FA, FB, NA, E4ZE-BA |
| 1984 | Mercury | Capri | 3.8L | V6 | N/A | E5SE-GA, HA, JA, KA, E6SE-AA, BA |
| 1984 | Mercury | Cougar | 5.0L | V8 | N/A | E45E-EA, E4AE-FA, FB, NA, E4ZE-BA |
| 1984 | Mercury | Cougar | 3.8L | V6 | N/A | E5SE-GA, HA, JA, KA, E6SE-AA, BA |
| 1984 | Mercury | Grand Marquis | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E2AE-AJA, APA, E7AE-AA, E8AE-AA |
| 1984 | Mercury | Grand Marquis | 5.0L | V8 | N/A | E45E-EA, E4AE-FA, FB, NA, E4ZE-BA |
| 1984 | Mercury | Marquis | 3.8L | V6 | N/A | E5SE-GA, HA, JA, KA, E6SE-AA, BA |
| 1983 | Ford | LTD | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-AGA, E2AE-AJA, APA, NA |
| 1983 | Ford | LTD | 5.0L | V8 | N/A | — |
| 1983 | Ford | Mustang | 5.0L | V8 | N/A | — |
| 1983 | Lincoln | Continental | 5.0L | V8 | N/A | E35E-AA, AB, BA, BB, E3AE-AA, AB, E3VE-CA, CB, EA, EB |
| 1983 | Lincoln | Mark VI | 5.0L | V8 | N/A | E35E-AA, AB, BA, BB, E3AE-AA, AB, E3VE-CA, CB, EA, EB |
| 1983 | Lincoln | Town Car | 5.0L | V8 | N/A | E35E-AA, AB, BA, BB, E3AE-AA, AB, E3VE-CA, CB, EA, EB |
| 1983 | Mercury | Cougar | 5.0L | V8 | N/A | E35E-AA, AB, BA, BB, E3AE-AA, AB, E3VE-CA, CB, EA, EB |
| 1983 | Mercury | Grand Marquis | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-AGA, E2AE-AJA, APA, NA |
| 1983 | Mercury | Grand Marquis | 5.0L | V8 | N/A | E35E-AA, AB, BA, BB, E3AE-AA, AB, E3VE-CA, CB, EA, EB |
| 1982 | Ford | Fairmont | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, E2AE-ABA, RA, E2SE-DB, FA |
| 1982 | Ford | LTD | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, E2AE-ABA, RA, E2SE-DB, FA |
| 1982 | Ford | LTD | 5.0L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-SA, E25E-ABA, AC, E2AE-AGA, MA, MB |
| 1982 | Ford | LTD | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-AGA, E2AE-AJA, APA, NA |
| 1982 | Ford | Mustang | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, E2AE-ABA, RA, E2SE-DB, FA |
| 1982 | Ford | Mustang | 5.0L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-SA, E25E-ABA, AC, E2AE-AGA, MA, MB |
| 1982 | Ford | Thunderbird | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, E2AE-ABA, RA, E2SE-DB, FA |
| 1982 | Ford | Thunderbird | 3.8L | V6 | N/A | w/ VV Carb.; w/ Ford Carb.; 2700, 7200; E2DE-TA |
| 1982 | Lincoln | Continental | 5.0L | V8 | N/A | w/ Ford Carb.; 7200; E25E-ABA, AC; w/ Canada Emissions |
| 1982 | Lincoln | Continental | 5.0L | V8 | N/A | w/o High Altitude Emissions; w/ Ford Carb.; 7200; E25E-ABA, AC |
| 1982 | Mercury | Capri | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, E2AE-ABA, RA, E2SE-DB, FA |
| 1982 | Mercury | Capri | 5.0L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-SA, E25E-ABA, AC, E2AE-AGA, MA, MB |
| 1982 | Mercury | Cougar | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, E2AE-ABA, RA, E2SE-DB, FA |
| 1982 | Mercury | Cougar | 3.8L | V6 | N/A | w/ VV Carb.; w/ Ford Carb.; 2700, 7200; E2DE-TA |
| 1982 | Mercury | Grand Marquis | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, E2AE-ABA, RA, E2SE-DB, FA |
| 1982 | Mercury | Grand Marquis | 5.0L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-SA, E25E-ABA, AC, E2AE-AGA, MA, MB |
| 1982 | Mercury | Marquis | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, E2AE-ABA, RA, E2SE-DB, FA |
| 1982 | Mercury | Marquis | 5.0L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-SA, E25E-ABA, AC, E2AE-AGA, MA, MB |
| 1982 | Mercury | Zephyr | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, E2AE-ABA, RA, E2SE-DB, FA |
| 1981 | Ford | Fairmont | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, KA, E1DE-AA, E2AE-ABA |
| 1981 | Ford | LTD | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, KA, E1DE-AA, E2AE-ABA |
| 1981 | Ford | LTD | 5.0L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-LA, SA, E1SE-EA |
| 1981 | Ford | LTD | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-AGA, MA |
| 1981 | Ford | Mustang | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, KA, E1DE-AA, E2AE-ABA |
| 1981 | Ford | Thunderbird | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, KA, E1DE-AA, E2AE-ABA |
| 1981 | Ford | Thunderbird | 5.0L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-LA, SA, E1SE-EA |
| 1981 | Mercury | Capri | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, KA, E1DE-AA, E2AE-ABA |
| 1981 | Mercury | Cougar | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, KA, E1DE-AA, E2AE-ABA |
| 1981 | Mercury | Cougar | 5.0L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-LA, SA, E1SE-EA |
| 1981 | Mercury | Grand Marquis | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, KA, E1DE-AA, E2AE-ABA |
| 1981 | Mercury | Grand Marquis | 5.0L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-LA, SA, E1SE-EA |
| 1981 | Mercury | Grand Marquis | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-AGA, MA |
| 1981 | Mercury | Marquis | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, KA, E1DE-AA, E2AE-ABA |
| 1981 | Mercury | Marquis | 5.0L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-LA, SA, E1SE-EA |
| 1981 | Mercury | Marquis | 5.8L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-AGA, MA |
| 1981 | Mercury | Zephyr | 4.2L | V8 | N/A | w/ VV Carb.; w/ Ford Carb.; 7200; E1AE-ACA, KA, E1DE-AA, E2AE-ABA |
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