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Hygrade FL31 Carburetor Float
Reliable Carburetor Float for Toyota Aisan 2 bbl Carburetors
The Hygrade FL31 carburetor float is designed specifically for Aisan 2 bbl carburetors used in various Toyota models. Crafted from durable Nitrophyl material, this float ensures consistent fuel level regulation for optimal engine performance.
Key Features of the Hygrade FL31 Carburetor Float
- Compatible with Toyota Celica, Corolla, Corona, Land Cruiser, and Pickup models
- Designed for Aisan 2 bbl carburetor applications
- Constructed from Nitrophyl for reliable fuel resistance and durability
- Part number FL31 for precise identification and fitment
- Maintains proper fuel level to prevent flooding or fuel starvation
Detailed Product Description
The Hygrade FL31 carburetor float is engineered to meet the specifications of Aisan 2 bbl carburetors found in select Toyota vehicles. The Nitrophyl material used in this float offers excellent resistance to fuel absorption and deformation, which helps maintain consistent float height and fuel delivery. This precision component plays a critical role in regulating the fuel level inside the carburetor bowl, directly impacting engine efficiency and drivability. Using the correct float like the FL31 ensures that your Toyota Celica, Corolla, Corona, Land Cruiser, or Pickup carburetor operates within manufacturer tolerances.
Common Applications and Issues Addressed
- Prevents carburetor flooding caused by a stuck or saturated float
- Eliminates fuel starvation issues due to improper float height
- Helps maintain smooth engine idling and acceleration
- Reduces rough running conditions linked to inconsistent fuel delivery
- Supports proper carburetor function in Toyota Aisan 2 bbl systems
Installation Notes and Tips
When replacing the carburetor float with the Hygrade FL31, ensure the float height is adjusted according to the vehicle’s service manual specifications. Handle the Nitrophyl float carefully to avoid damage during installation. Verify that the float moves freely without binding and that the needle valve seats properly to prevent fuel leaks or flooding.
Quality Assurance and Warranty
Hygrade manufactures the FL31 carburetor float to meet industry standards for durability and performance. While specific warranty details are not provided, Hygrade products are generally backed by quality control processes to ensure reliable fitment and function in Toyota carburetors.
| Brand | Hygrade |
| Part Number | FL31 |
| Carburetor Make and Model | Aisan 2 bbl |
| Material | Nitrophyl |
This part fits 78 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1987 | Toyota | Land Cruiser | 4.2L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-61010, 61020, 61021, 61022, 61025, 61030, 61031, 61032, 61060, 61061, 61062, 61065, 61070, 61071, 61072, 61100, 61101, 61102, 61140, 61141, 61142 | |
| 1986 | Toyota | Land Cruiser | 4.2L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-61010, 61020, 61021, 61022, 61025, 61030, 61031, 61032, 61060, 61061, 61062, 61065, 61070, 61071, 61072, 61100, 61101, 61102, 61140, 61141, 61142 | |
| 1985 | Toyota | Land Cruiser | 4.2L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-61010, 61020, 61021, 61022, 61025, 61030, 61031, 61032, 61060, 61061, 61062, 61065, 61070, 61071, 61072, 61100, 61101, 61102, 61140, 61141, 61142 | |
| 1984 | Toyota | Land Cruiser | 4.2L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-61010, 61020, 61021, 61022, 61025, 61030, 61031, 61032, 61060, 61061, 61062, 61065, 61070, 61071, 61072, 61100, 61101, 61102, 61140, 61141, 61142 | |
| 1983 | Toyota | Land Cruiser | 4.2L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-61010, 61020, 61021, 61022, 61025, 61030, 61031, 61032, 61060, 61061, 61062, 61065, 61070, 61071, 61072, 61100, 61101, 61102, 61140, 61141, 61142 | |
| 1982 | Toyota | Corolla | 1.8L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-28091 | |
| 1982 | Toyota | Land Cruiser | 4.2L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-61010, 61020, 61021, 61022, 61025, 61030, 61031, 61032, 61060, 61061, 61062, 61065, 61070, 61071, 61072, 61100, 61101, 61102, 61140, 61141, 61142 | |
| 1981 | Toyota | Corolla | 1.8L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-28091 | |
| 1981 | Toyota | Land Cruiser | 4.2L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-61010, 61020, 61021, 61022, 61025, 61030, 61031, 61032, 61060, 61061, 61062, 61065, 61070, 61071, 61072, 61100, 61101, 61102, 61140, 61141, 61142 | |
| 1980 | Toyota | Celica | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38311, 38331, 38351, 38361, 38440 | |
| 1980 | Toyota | Corolla | 1.8L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-28091 | |
| 1980 | Toyota | Corona | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38311, 38331, 38351, 38361, 38440 | |
| 1980 | Toyota | Land Cruiser | 4.2L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-61010, 61020, 61021, 61022, 61025, 61030, 61031, 61032, 61060, 61061, 61062, 61065, 61070, 61071, 61072, 61100, 61101, 61102, 61140, 61141, 61142 | |
| 1980 | Toyota | Pickup | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38351, 38361, 38371, 38491 | |
| 1979 | Toyota | Celica | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38310, 38320, 38330, 38340, 38350 | |
| 1979 | Toyota | Corona | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38310, 38320, 38330, 38340, 38350 | |
| 1979 | Toyota | Land Cruiser | 4.2L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-61010, 61020, 61021, 61022, 61025, 61030, 61031, 61032, 61060, 61061, 61062, 61065, 61070, 61071, 61072, 61100, 61101, 61102, 61140, 61141, 61142 | |
| 1979 | Toyota | Pickup | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38360, 38370, 38380, 38420, 38480, 38490 | |
| 1978 | Toyota | Celica | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38015, 38016, 38200, 38201, 38210, 38211, 38220, 38221, 38230, 38231, 38240, 38241, 38250, 38251, 38260, 38261, 38270, 38271 | |
| 1978 | Toyota | Corona | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38015, 38016, 38200, 38201, 38210, 38211, 38220, 38221, 38230, 38231, 38240, 38241, 38250, 38251, 38260, 38261, 38270, 38271 | |
| 1978 | Toyota | Land Cruiser | 4.2L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-61010, 61020, 61021, 61022, 61025, 61030, 61031, 61032, 61060, 61061, 61062, 61065, 61070, 61071, 61072, 61100, 61101, 61102, 61140, 61141, 61142 | |
| 1978 | Toyota | Pickup | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38140, 38141, 38142, 38150, 38151, 38152, 38160, 38161, 38162, 38170, 38171, 38172, 38180, 38181, 38182, 38183, 38190, 38191, 38192, 38290, 38291, 38300, 38301 | |
| 1977 | Toyota | Celica | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38010, 38011, 38012, 38013, 38014, 38020, 38021, 38022, 38030, 38031, 38032, 38033, 38034, 38080, 38081, 38082, 38083, 38084, 38111, 38120, 38130 | |
| 1977 | Toyota | Corona | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38010, 38011, 38012, 38013, 38014, 38020, 38021, 38022, 38030, 38031, 38032, 38033, 38034, 38080, 38081, 38082, 38083, 38084, 38111, 38120, 38130 | |
| 1977 | Toyota | Land Cruiser | 4.2L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-61010, 61020, 61021, 61022, 61025, 61030, 61031, 61032, 61060, 61061, 61062, 61065, 61070, 61071, 61072, 61100, 61101, 61102, 61140, 61141, 61142 | |
| 1977 | Toyota | Pickup | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38140, 38141, 38142, 38150, 38151, 38152, 38160, 38161, 38162, 38170, 38171, 38172, 38180, 38181, 38182, 38183, 38190, 38191, 38192, 38290, 38291, 38300, 38301 | |
| 1976 | Toyota | Celica | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38010, 38011, 38012, 38013, 38014, 38020, 38021, 38022, 38030, 38031, 38032, 38033, 38034, 38080, 38081, 38082, 38083, 38084, 38111, 38120, 38130 | |
| 1976 | Toyota | Corona | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38010, 38011, 38012, 38013, 38014, 38020, 38021, 38022, 38030, 38031, 38032, 38033, 38034, 38080, 38081, 38082, 38083, 38084, 38111, 38120, 38130 | |
| 1976 | Toyota | Land Cruiser | 4.2L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-61010, 61020, 61021, 61022, 61025, 61030, 61031, 61032, 61060, 61061, 61062, 61065, 61070, 61071, 61072, 61100, 61101, 61102, 61140, 61141, 61142 | |
| 1976 | Toyota | Pickup | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38013, 38033, 38040, 38041, 38042, 38060, 38061, 38062, 38083, 38090, 38091, 38100, 38101 | |
| 1975 | Toyota | Celica | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38010, 38011, 38012, 38013, 38014, 38020, 38021, 38022, 38030, 38031, 38032, 38033, 38034, 38080, 38081, 38082, 38083, 38084, 38111, 38120, 38130 | |
| 1975 | Toyota | Corona | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38010, 38011, 38012, 38013, 38014, 38020, 38021, 38022, 38030, 38031, 38032, 38033, 38034, 38080, 38081, 38082, 38083, 38084, 38111, 38120, 38130 | |
| 1975 | Toyota | Land Cruiser | 4.2L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-61010, 61020, 61021, 61022, 61025, 61030, 61031, 61032, 61060, 61061, 61062, 61065, 61070, 61071, 61072, 61100, 61101, 61102, 61140, 61141, 61142 | |
| 1975 | Toyota | Pickup | 2.2L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-38013, 38033, 38040, 38041, 38042, 38060, 38061, 38062, 38083, 38090, 38091, 38100, 38101 | |
| 1974 | Toyota | Celica | 2.0L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34085, 34086, 34087, 34088, 34114, 34181, 34200, 34201, 34240, 34241, 34260, 34270, 34280, 34290 | |
| 1974 | Toyota | Corolla | N/A | w/ Aisan Carb.; A-2; 21100-26010, 26011, 26012, 26021, 26030, 26031, 26032, 26080 | |||
| 1974 | Toyota | Corolla | 1.6L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-26010, 26011, 26012, 26021, 26030, 26031, 26032, 26080 | |
| 1974 | Toyota | Corona | 2.0L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34085, 34086, 34087, 34088, 34114, 34181, 34200, 34201, 34240, 34241, 34260, 34270, 34280, 34290 | |
| 1974 | Toyota | Land Cruiser | 3.9L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-60191, 60200, 60201, 60202, 60203, 60204, 60205, 60280 | |
| 1974 | Toyota | Pickup | 2.0L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34034, 34085, 34086, 34087, 34088, 34200, 34201, 34270, 34290 | |
| 1973 | Toyota | Celica | 2.0L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34085, 34086, 34087, 34088, 34114, 34181, 34200, 34201, 34240, 34241, 34260, 34270, 34280, 34290 | |
| 1973 | Toyota | Corolla | N/A | w/ Aisan Carb.; A-2; 21100-26010, 26011, 26012, 26021, 26030, 26031, 26032, 26080 | |||
| 1973 | Toyota | Corolla | 1.6L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-26010, 26011, 26012, 26021, 26030, 26031, 26032, 26080 | |
| 1973 | Toyota | Corona | 2.0L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34085, 34086, 34087, 34088, 34114, 34181, 34200, 34201, 34240, 34241, 34260, 34270, 34280, 34290 | |
| 1973 | Toyota | Land Cruiser | 3.9L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-60191, 60200, 60201, 60202, 60203, 60204, 60205, 60280 | |
| 1973 | Toyota | Pickup | 2.0L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34034, 34085, 34086, 34087, 34088, 34200, 34201, 34270, 34290 | |
| 1972 | Toyota | Celica | 2.0L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34063, 34064, 34083, 34084, 34112, 34113 | |
| 1972 | Toyota | Corolla | N/A | w/ Aisan Carb.; A-2; 21100-26010, 26011, 26012, 26021, 26030, 26031, 26032, 26080 | |||
| 1972 | Toyota | Corolla | 1.6L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-26010, 26011, 26012, 26021, 26030, 26031, 26032, 26080 | |
| 1972 | Toyota | Corona | 2.0L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34063, 34064, 34083, 34084, 34112, 34113 | |
| 1972 | Toyota | Corona | Mark II | 2.0L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34063, 34064, 34083, 34084, 34112, 34113 |
| 1972 | Toyota | Land Cruiser | 3.9L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-60191, 60200, 60201, 60202, 60203, 60204, 60205, 60280 | |
| 1972 | Toyota | Pickup | 2.0L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34063, 34064, 34083, 34084 | |
| 1971 | Toyota | Celica | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34040, 34041, 34060, 34061, 34062, 34070, 34080, 34081, 34082, 34111 | |
| 1971 | Toyota | Corolla | 1.6L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-26010, 26011, 26012, 26021, 26030, 26031, 26032, 26080 | |
| 1971 | Toyota | Corolla | N/A | w/ Aisan Carb.; A-2; 21100-26010, 26011, 26012, 26021, 26030, 26031, 26032, 26080 | |||
| 1971 | Toyota | Corona | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34030, 34031, 34032, 34090, 34091 | |
| 1971 | Toyota | Corona | Mark II | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34030, 34031, 34032, 34090, 34091 |
| 1971 | Toyota | Corona | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34040, 34041, 34060, 34061, 34062, 34070, 34080, 34081, 34082, 34111 | |
| 1971 | Toyota | Corona | Mark II | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34040, 34041, 34060, 34061, 34062, 34080, 34081, 34082, 34111 |
| 1971 | Toyota | Land Cruiser | 3.9L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-60191, 60200, 60201, 60202, 60203, 60204, 60205, 60280 | |
| 1971 | Toyota | Pickup | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34071, 34072 | |
| 1970 | Toyota | Corona | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34030, 34031, 34032, 34090, 34091 | |
| 1970 | Toyota | Corona | Mark II | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34030, 34031, 34032, 34090, 34091 |
| 1970 | Toyota | Corona | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34040, 34041, 34060, 34061, 34062, 34070, 34080, 34081, 34082, 34111 | |
| 1970 | Toyota | Corona | Mark II | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34040, 34041, 34060, 34061, 34062, 34080, 34081, 34082, 34111 |
| 1970 | Toyota | Corona | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-40090, 40092, 40110, 40111, 40140, 40160 | |
| 1970 | Toyota | Land Cruiser | 3.9L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-60191, 60200, 60201, 60202, 60203, 60204, 60205, 60280 | |
| 1970 | Toyota | Pickup | 1.9L | L4 | N/A | w/ Aisan Carb.; From 12/69; A-2; 21100-34071, 34072 | |
| 1969 | Toyota | Corolla | 1.1L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-22045, 22046, 22047 | |
| 1969 | Toyota | Corona | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34030, 34031, 34032, 34090, 34091 | |
| 1969 | Toyota | Corona | Mark II | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34030, 34031, 34032, 34090, 34091 |
| 1969 | Toyota | Corona | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34040, 34041, 34060, 34061, 34062, 34070, 34080, 34081, 34082, 34111 | |
| 1969 | Toyota | Corona | Mark II | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-34040, 34041, 34060, 34061, 34062, 34080, 34081, 34082, 34111 |
| 1969 | Toyota | Corona | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-40090, 40092, 40110, 40111, 40140, 40160 | |
| 1969 | Toyota | Land Cruiser | 3.9L | L6 | N/A | w/ Aisan Carb.; A-2; 21100-60191, 60200, 60201, 60202, 60203, 60204, 60205, 60280 | |
| 1968 | Toyota | Corolla | 1.1L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-22045, 22046, 22047 | |
| 1968 | Toyota | Corona | 1.9L | L4 | N/A | w/ Aisan Carb.; A-2; 21100-40090, 40092, 40110, 40111, 40140, 40160 |
* 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.