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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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KYB
KYB Gas-A-Just Front Monotube Shock Absorber for Select 1968-1991 GM and Avanti II (KG4513)
$74.22
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits select 1968-1991 Avanti II, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models.
The KYB Gas-a-just KG4513 is a high-pressure monotube shock absorber designed to deliver superior control and responsiveness over traditional twin-tube designs. By utilizing a single-cylinder configuration and a floating piston, this shock eliminates aeration and prevents performance fade during intense driving conditions. The Gas-a-just automatically adjusts to road inputs, keeping tires planted for improved braking stability and steering precision.
- Monotube design provides instant response and consistent damping performance
- High-pressure nitrogen gas area with a floating piston eliminates fluid foaming
- Separate hydraulic and gas chambers prevent aeration-related fade
- Engineered to help maintain original electronic safety system performance
- Position: Front
- Manufacturer Part Number: KG4513
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1987-1991 | Avanti | II | Base |
| 1973-1977,1980-1981 | Buick | Century | Base |
| 1975-1979 | Buick | Century | Custom |
| 1980-1981 | Buick | Century | Estate |
| 1976 | Buick | Century | Indianapolis 500 Pace Car |
| 1978-1981 | Buick | Century | Limited |
| 1973-1975 | Buick | Century | Luxus |
| 1975-1979 | Buick | Century | Special |
| 1978-1981 | Buick | Century | Sport |
| 1970-1972 | Buick | GS | Base |
| 1968-1969 | Buick | GS 350 | Base |
| 1968-1969 | Buick | GS 400 | Base |
| 1970-1972 | Buick | GS 455 | Base |
| 1970 | Buick | GS 455 | GSX |
| 1973-1987 | Buick | Regal | Base |
| 1982-1983 | Buick | Regal | Estate Wagon |
| 1987 | Buick | Regal | GNX |
| 1984-1987 | Buick | Regal | Grand National |
| 1978-1987 | Buick | Regal | Limited |
| 1982 | Buick | Regal | Limited Turbo |
| 1978-1982 | Buick | Regal | Sport |
| 1976-1977 | Buick | Regal | SR |
| 1983-1986 | Buick | Regal | T-Type |
| 1970,1972 | Buick | Skylark | 350 |
| 1968-1972 | Buick | Skylark | Base |
| 1968-1972 | Buick | Skylark | Custom |
| 1968-1969 | Buick | Special | Base |
| 1968-1972 | Buick | Sportwagon | Base |
| 1968-1969 | Buick | Sportwagon | Custom |
| 1976-1979 | Cadillac | Seville | Base |
| 1978-1979 | Cadillac | Seville | Elegante |
| 1977-1978 | Cadillac | Seville | Opera |
| 1968 | Chevrolet | Chevelle | 300 |
| 1968-1969 | Chevrolet | Chevelle | 300 Deluxe |
| 1970-1972 | Chevrolet | Chevelle | Base |
| 1968-1972 | Chevrolet | Chevelle | Concours |
| 1969-1972 | Chevrolet | Chevelle | Concours Estate |
| 1973 | Chevrolet | Chevelle | Deluxe |
| 1969-1972 | Chevrolet | Chevelle | Greenbrier |
| 1973 | Chevrolet | Chevelle | Laguna |
| 1973 | Chevrolet | Chevelle | Laguna Estate |
| 1974-1976 | Chevrolet | Chevelle | Laguna Type S-3 |
| 1968-1977 | Chevrolet | Chevelle | Malibu |
| 1974-1977 | Chevrolet | Chevelle | Malibu Classic |
| 1974-1976 | Chevrolet | Chevelle | Malibu Classic Estate |
| 1973 | Chevrolet | Chevelle | Malibu Estate |
| 1968-1972 | Chevrolet | Chevelle | Nomad |
| 1968 | Chevrolet | Chevelle | Nomad Custom |
| 1971-1972 | Chevrolet | Chevelle | SS |
| 1968-1970 | Chevrolet | Chevelle | SS 396 |
| 1968-1987 | Chevrolet | El Camino | Base |
| 1975-1977 | Chevrolet | El Camino | Classic |
| 1977-1978,1981-1986 | Chevrolet | El Camino | Conquista |
| 1968-1974 | Chevrolet | El Camino | Custom |
| 1979-1981 | Chevrolet | El Camino | Royal Knight |
| 1968-1987 | Chevrolet | El Camino | SS |
| 1978-1981 | Chevrolet | Malibu | Base |
| 1978-1983 | Chevrolet | Malibu | Classic |
| 1978-1980 | Chevrolet | Malibu | Classic Estate |
| 1978-1981 | Chevrolet | Malibu | Classic Landau |
| 1979-1980 | Chevrolet | Malibu | Classic Sport |
| 1979-1980 | Chevrolet | Malibu | Estate |
| 1979 | Chevrolet | Malibu | Landau |
| 1979 | Chevrolet | Malibu | Police |
| 1979-1980 | Chevrolet | Malibu | Sport |
| 1970-1974,1979,1981-1988 | Chevrolet | Monte Carlo | Base |
| 1983 | Chevrolet | Monte Carlo | CL |
| 1973-1974,1976,1978-1981 | Chevrolet | Monte Carlo | Landau |
| 1986-1988 | Chevrolet | Monte Carlo | LS |
| 1973,1975-1977 | Chevrolet | Monte Carlo | S |
| 1978,1980 | Chevrolet | Monte Carlo | Sport |
| 1983-1988 | Chevrolet | Monte Carlo | SS |
| 1981-1986 | GMC | Caballero | Amarillo |
| 1978-1987 | GMC | Caballero | Base |
| 1981 | GMC | Caballero | Conquista |
| 1978-1987 | GMC | Caballero | Diablo |
| 1978-1980 | GMC | Caballero | Laredo |
| 1981 | GMC | Caballero | Royal Knight |
| 1971-1977 | GMC | Sprint | Base |
| 1975-1977 | GMC | Sprint | Classic |
| 1972-1974 | GMC | Sprint | Custom |
| 1975 | GMC | Sprint | High Sierra |
| 1976 | GMC | Sprint | Sierra Madre Del Sur |
| 1975-1976 | GMC | Sprint | SP |
| 1968-1971 | Oldsmobile | 442 | Base |
| 1975,1977 | Oldsmobile | Cutlass | 442 |
| 1968-1975,1980 | Oldsmobile | Cutlass | Base |
| 1980-1981 | Oldsmobile | Cutlass | Brougham |
| 1977 | Oldsmobile | Cutlass | Colonnade |
| 1976-1977 | Oldsmobile | Cutlass | Colonnade S |
| 1972 | Oldsmobile | Cutlass | Cruiser |
| 1980-1981 | Oldsmobile | Cutlass | LS |
| 1968,1971-1977 | Oldsmobile | Cutlass | S |
| 1976-1979 | Oldsmobile | Cutlass | Vista Cruiser |
| 1979 | Oldsmobile | Cutlass | Vista Cruiser Brougham |
| 1978-1984 | Oldsmobile | Cutlass Calais | Base |
| 1983-1984 | Oldsmobile | Cutlass Calais | Hurst |
| 1980-1983 | Oldsmobile | Cutlass Cruiser | Base |
| 1980-1981 | Oldsmobile | Cutlass Cruiser | Brougham |
| 1978-1979,1985-1986 | Oldsmobile | Cutlass Salon | 442 |
| 1975-1980,1985-1987 | Oldsmobile | Cutlass Salon | Base |
| 1978-1980 | Oldsmobile | Cutlass Salon | Brougham |
| 1979 | Oldsmobile | Cutlass Salon | Hurst |
| 1987 | Oldsmobile | Cutlass Supreme | 442 |
| 1968-1988 | Oldsmobile | Cutlass Supreme | Base |
| 1977-1987 | Oldsmobile | Cutlass Supreme | Brougham |
| 1988 | Oldsmobile | Cutlass Supreme | Classic |
| 1988 | Oldsmobile | Cutlass Supreme | Classic Brougham |
| 1976-1977 | Oldsmobile | Cutlass Supreme | Colonnade |
| 1974-1975 | Oldsmobile | Cutlass Supreme | Cruiser |
| 1975 | Oldsmobile | Cutlass Supreme | Hurst |
| 1988 | Oldsmobile | Cutlass Supreme | Indy 500 Pace Car |
| 1988 | Oldsmobile | Cutlass Supreme | International |
| 1981,1985 | Oldsmobile | Cutlass Supreme | LS |
| 1988 | Oldsmobile | Cutlass Supreme | SL |
| 1976 | Oldsmobile | Cutlass Tiara | Base |
| 1968-1972 | Oldsmobile | F85 | Base |
| 1968-1975 | Oldsmobile | Vista Cruiser | Base |
| 1982-1986 | Pontiac | Bonneville | Base |
| 1982-1986 | Pontiac | Bonneville | Brougham |
| 1984-1986 | Pontiac | Bonneville | LE |
| 1988 | Pontiac | Fiero | Formula |
| 1988 | Pontiac | Fiero | GT |
| 1988 | Pontiac | Fiero | Sport |
| 1988 | Pontiac | Fiero | Value Leader |
| 1973-1975,1978-1980 | Pontiac | Grand Am | Base |
| 1975-1981 | Pontiac | Grand LeMans | Base |
| 1975,1977-1981 | Pontiac | Grand LeMans | Safari |
| 1969-1974,1976-1987 | Pontiac | Grand Prix | Base |
| 1981-1987 | Pontiac | Grand Prix | Brougham |
| 1984-1987 | Pontiac | Grand Prix | LE |
| 1975,1977-1983 | Pontiac | Grand Prix | LJ |
| 1975-1980 | Pontiac | Grand Prix | SJ |
| 1968-1973 | Pontiac | GTO | Base |
| 1970-1971 | Pontiac | GTO | The Judge |
| 1968-1981 | Pontiac | LeMans | Base |
| 1972-1974 | Pontiac | LeMans | Luxury |
| 1969-1970,1973-1975,1977-1981 | Pontiac | LeMans | Safari |
| 1974 | Pontiac | LeMans | Safari Luxury |
| 1970-1977 | Pontiac | LeMans | Sport |
| 1971 | Pontiac | LeMans | T37 |
| 1968-1970 | Pontiac | Tempest | Base |
| 1968-1969 | Pontiac | Tempest | Custom |
| 1970 | Pontiac | Tempest | GT |
| 1968-1969 | Pontiac | Tempest | Safari |
Choose your Location
-
Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
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If you can find the part for a lower price from an authorized dealer/shop, we'll match the price! Reach out to Hello@AtlusAuto.com, our live chat located at the bottom right of your screen, or request an Atlas Price Guarantee, or visit our dedicated APG page to submit a request.
KYB Gas-A-Just Front Monotube Shock Absorber for Select 1968-1991 GM and Avanti II (KG4513)
$74.22
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
30 Days Satisfaction Guarantee
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$74.22
$74.22
$74.22
Fits select 1968-1991 Avanti II, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models.
The KYB Gas-a-just KG4513 is a high-pressure monotube shock absorber designed to deliver superior control and responsiveness over traditional twin-tube designs. By utilizing a single-cylinder configuration and a floating piston, this shock eliminates aeration and prevents performance fade during intense driving conditions. The Gas-a-just automatically adjusts to road inputs, keeping tires planted for improved braking stability and steering precision.
- Monotube design provides instant response and consistent damping performance
- High-pressure nitrogen gas area with a floating piston eliminates fluid foaming
- Separate hydraulic and gas chambers prevent aeration-related fade
- Engineered to help maintain original electronic safety system performance
- Position: Front
- Manufacturer Part Number: KG4513
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1987-1991 | Avanti | II | Base |
| 1973-1977,1980-1981 | Buick | Century | Base |
| 1975-1979 | Buick | Century | Custom |
| 1980-1981 | Buick | Century | Estate |
| 1976 | Buick | Century | Indianapolis 500 Pace Car |
| 1978-1981 | Buick | Century | Limited |
| 1973-1975 | Buick | Century | Luxus |
| 1975-1979 | Buick | Century | Special |
| 1978-1981 | Buick | Century | Sport |
| 1970-1972 | Buick | GS | Base |
| 1968-1969 | Buick | GS 350 | Base |
| 1968-1969 | Buick | GS 400 | Base |
| 1970-1972 | Buick | GS 455 | Base |
| 1970 | Buick | GS 455 | GSX |
| 1973-1987 | Buick | Regal | Base |
| 1982-1983 | Buick | Regal | Estate Wagon |
| 1987 | Buick | Regal | GNX |
| 1984-1987 | Buick | Regal | Grand National |
| 1978-1987 | Buick | Regal | Limited |
| 1982 | Buick | Regal | Limited Turbo |
| 1978-1982 | Buick | Regal | Sport |
| 1976-1977 | Buick | Regal | SR |
| 1983-1986 | Buick | Regal | T-Type |
| 1970,1972 | Buick | Skylark | 350 |
| 1968-1972 | Buick | Skylark | Base |
| 1968-1972 | Buick | Skylark | Custom |
| 1968-1969 | Buick | Special | Base |
| 1968-1972 | Buick | Sportwagon | Base |
| 1968-1969 | Buick | Sportwagon | Custom |
| 1976-1979 | Cadillac | Seville | Base |
| 1978-1979 | Cadillac | Seville | Elegante |
| 1977-1978 | Cadillac | Seville | Opera |
| 1968 | Chevrolet | Chevelle | 300 |
| 1968-1969 | Chevrolet | Chevelle | 300 Deluxe |
| 1970-1972 | Chevrolet | Chevelle | Base |
| 1968-1972 | Chevrolet | Chevelle | Concours |
| 1969-1972 | Chevrolet | Chevelle | Concours Estate |
| 1973 | Chevrolet | Chevelle | Deluxe |
| 1969-1972 | Chevrolet | Chevelle | Greenbrier |
| 1973 | Chevrolet | Chevelle | Laguna |
| 1973 | Chevrolet | Chevelle | Laguna Estate |
| 1974-1976 | Chevrolet | Chevelle | Laguna Type S-3 |
| 1968-1977 | Chevrolet | Chevelle | Malibu |
| 1974-1977 | Chevrolet | Chevelle | Malibu Classic |
| 1974-1976 | Chevrolet | Chevelle | Malibu Classic Estate |
| 1973 | Chevrolet | Chevelle | Malibu Estate |
| 1968-1972 | Chevrolet | Chevelle | Nomad |
| 1968 | Chevrolet | Chevelle | Nomad Custom |
| 1971-1972 | Chevrolet | Chevelle | SS |
| 1968-1970 | Chevrolet | Chevelle | SS 396 |
| 1968-1987 | Chevrolet | El Camino | Base |
| 1975-1977 | Chevrolet | El Camino | Classic |
| 1977-1978,1981-1986 | Chevrolet | El Camino | Conquista |
| 1968-1974 | Chevrolet | El Camino | Custom |
| 1979-1981 | Chevrolet | El Camino | Royal Knight |
| 1968-1987 | Chevrolet | El Camino | SS |
| 1978-1981 | Chevrolet | Malibu | Base |
| 1978-1983 | Chevrolet | Malibu | Classic |
| 1978-1980 | Chevrolet | Malibu | Classic Estate |
| 1978-1981 | Chevrolet | Malibu | Classic Landau |
| 1979-1980 | Chevrolet | Malibu | Classic Sport |
| 1979-1980 | Chevrolet | Malibu | Estate |
| 1979 | Chevrolet | Malibu | Landau |
| 1979 | Chevrolet | Malibu | Police |
| 1979-1980 | Chevrolet | Malibu | Sport |
| 1970-1974,1979,1981-1988 | Chevrolet | Monte Carlo | Base |
| 1983 | Chevrolet | Monte Carlo | CL |
| 1973-1974,1976,1978-1981 | Chevrolet | Monte Carlo | Landau |
| 1986-1988 | Chevrolet | Monte Carlo | LS |
| 1973,1975-1977 | Chevrolet | Monte Carlo | S |
| 1978,1980 | Chevrolet | Monte Carlo | Sport |
| 1983-1988 | Chevrolet | Monte Carlo | SS |
| 1981-1986 | GMC | Caballero | Amarillo |
| 1978-1987 | GMC | Caballero | Base |
| 1981 | GMC | Caballero | Conquista |
| 1978-1987 | GMC | Caballero | Diablo |
| 1978-1980 | GMC | Caballero | Laredo |
| 1981 | GMC | Caballero | Royal Knight |
| 1971-1977 | GMC | Sprint | Base |
| 1975-1977 | GMC | Sprint | Classic |
| 1972-1974 | GMC | Sprint | Custom |
| 1975 | GMC | Sprint | High Sierra |
| 1976 | GMC | Sprint | Sierra Madre Del Sur |
| 1975-1976 | GMC | Sprint | SP |
| 1968-1971 | Oldsmobile | 442 | Base |
| 1975,1977 | Oldsmobile | Cutlass | 442 |
| 1968-1975,1980 | Oldsmobile | Cutlass | Base |
| 1980-1981 | Oldsmobile | Cutlass | Brougham |
| 1977 | Oldsmobile | Cutlass | Colonnade |
| 1976-1977 | Oldsmobile | Cutlass | Colonnade S |
| 1972 | Oldsmobile | Cutlass | Cruiser |
| 1980-1981 | Oldsmobile | Cutlass | LS |
| 1968,1971-1977 | Oldsmobile | Cutlass | S |
| 1976-1979 | Oldsmobile | Cutlass | Vista Cruiser |
| 1979 | Oldsmobile | Cutlass | Vista Cruiser Brougham |
| 1978-1984 | Oldsmobile | Cutlass Calais | Base |
| 1983-1984 | Oldsmobile | Cutlass Calais | Hurst |
| 1980-1983 | Oldsmobile | Cutlass Cruiser | Base |
| 1980-1981 | Oldsmobile | Cutlass Cruiser | Brougham |
| 1978-1979,1985-1986 | Oldsmobile | Cutlass Salon | 442 |
| 1975-1980,1985-1987 | Oldsmobile | Cutlass Salon | Base |
| 1978-1980 | Oldsmobile | Cutlass Salon | Brougham |
| 1979 | Oldsmobile | Cutlass Salon | Hurst |
| 1987 | Oldsmobile | Cutlass Supreme | 442 |
| 1968-1988 | Oldsmobile | Cutlass Supreme | Base |
| 1977-1987 | Oldsmobile | Cutlass Supreme | Brougham |
| 1988 | Oldsmobile | Cutlass Supreme | Classic |
| 1988 | Oldsmobile | Cutlass Supreme | Classic Brougham |
| 1976-1977 | Oldsmobile | Cutlass Supreme | Colonnade |
| 1974-1975 | Oldsmobile | Cutlass Supreme | Cruiser |
| 1975 | Oldsmobile | Cutlass Supreme | Hurst |
| 1988 | Oldsmobile | Cutlass Supreme | Indy 500 Pace Car |
| 1988 | Oldsmobile | Cutlass Supreme | International |
| 1981,1985 | Oldsmobile | Cutlass Supreme | LS |
| 1988 | Oldsmobile | Cutlass Supreme | SL |
| 1976 | Oldsmobile | Cutlass Tiara | Base |
| 1968-1972 | Oldsmobile | F85 | Base |
| 1968-1975 | Oldsmobile | Vista Cruiser | Base |
| 1982-1986 | Pontiac | Bonneville | Base |
| 1982-1986 | Pontiac | Bonneville | Brougham |
| 1984-1986 | Pontiac | Bonneville | LE |
| 1988 | Pontiac | Fiero | Formula |
| 1988 | Pontiac | Fiero | GT |
| 1988 | Pontiac | Fiero | Sport |
| 1988 | Pontiac | Fiero | Value Leader |
| 1973-1975,1978-1980 | Pontiac | Grand Am | Base |
| 1975-1981 | Pontiac | Grand LeMans | Base |
| 1975,1977-1981 | Pontiac | Grand LeMans | Safari |
| 1969-1974,1976-1987 | Pontiac | Grand Prix | Base |
| 1981-1987 | Pontiac | Grand Prix | Brougham |
| 1984-1987 | Pontiac | Grand Prix | LE |
| 1975,1977-1983 | Pontiac | Grand Prix | LJ |
| 1975-1980 | Pontiac | Grand Prix | SJ |
| 1968-1973 | Pontiac | GTO | Base |
| 1970-1971 | Pontiac | GTO | The Judge |
| 1968-1981 | Pontiac | LeMans | Base |
| 1972-1974 | Pontiac | LeMans | Luxury |
| 1969-1970,1973-1975,1977-1981 | Pontiac | LeMans | Safari |
| 1974 | Pontiac | LeMans | Safari Luxury |
| 1970-1977 | Pontiac | LeMans | Sport |
| 1971 | Pontiac | LeMans | T37 |
| 1968-1970 | Pontiac | Tempest | Base |
| 1968-1969 | Pontiac | Tempest | Custom |
| 1970 | Pontiac | Tempest | GT |
| 1968-1969 | Pontiac | Tempest | Safari |
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