ACDelco 530-1 Shock Absorber

Part Number
Shock Absorber

Fits: Avanti II, Buick Apollo, Buick Century, Buick GS, Buick GS 350, Buick GS 400, Buick GS 455, Buick Regal, Buick Skylark, Buick Special, Buick Sportwagon, Cadillac Seville, Chevrolet Camaro, Chevrolet Chevelle, Chevrolet Chevy II, Chevrolet Malibu, Chevrolet Monte Carlo, Chevrolet Nova, Nissan 410, Nissan 411, Oldsmobile Cutlass, Oldsmobile Cutlass Calais, Oldsmobile Cutlass Cruiser, Oldsmobile Cutlass Salon, Oldsmobile Cutlass Supreme, Oldsmobile F85, Oldsmobile Omega, Oldsmobile Vista Cruiser, Pontiac Bonneville, Pontiac Firebird, Pontiac Grand Am, Pontiac Grand LeMans, Pontiac Grand Prix, Pontiac Grandville, Pontiac GTO, Pontiac LeMans, Pontiac Phoenix, Pontiac Tempest, Pontiac Ventura, Toyota Corona, Volvo 142, Volvo 144, Volvo 145, Volvo 164

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ACDelco Professional Premium Gas Charged Shocks are twin-tube passive replacement shocks for passenger cars, vans, SUVs, and light trucks. These shocks have a high pressure nitrogen gas charge along with chrome finished piston rods and drawn over mandrel (DOM) pressure cylinders. For additional ride support, ACDelco Professional Premium Gas Charged Shocks utilize premium Road Response Valving Technology that automatically adjusts to provide comfort and extra control by responding to changing road conditions during normal driving situations, and improved handling under extreme road conditions.



  • A hardened, chromed piston rod with micro cracks provides an ultra-smooth, self-lubricating, corrosion- and scratch-resistant surface, helping increase seal life
  • Drawn over mandrel (DOM) pressure cylinder for high quality sealing properties and reduced internal friction to assist with longer product life
  • Full perimeter, multi-lip, piston rod seal is permanently lubricated and helps keep dirt and contaminates from reaching the interior of the rod
  • Gas charged for reduced fluid aeration, which can result in better response, less foaming, and more consistent control than non-gas charged shocks
  • Infinitely variable damping for on-demand control on all road conditions
  • O-ring hydraulic piston seal resulting in minimized piston blow-by and consistent control
  • Valve design performance that is independent of ride height reduces the potentially negative effects of vehicle loads or weak spring conditions


Comparison Chart 1PL05_PL09_CC_MaintShockStrut.jpg
Comparison Chart 2PL09_CC_ChromedRodVsUncoatedRod.jpg
FAQ - A1Yes, though shocks and struts perform a similar function, they vary greatly in their design. Struts are an integral part of a vehicle's suspension system, providing structural support for the vehicle and, as such, are a safety subsystem. Shocks work separately from any structural function, simply absorbing and damping the bumps from the road.
FAQ - A2Yes, all shocks and struts use hydraulic fluid (oil) to control damping. A gas charged shock or strut uses high-pressure nitrogen gas to reduce oil foaming during high-speed damping, and therefore maintains performance.
FAQ - A3Yes, it is possible to do a quick check at home for wear on your vehicle's shocks or struts. You can look for any physical damage to the shock or strut housing or any leaking - this is especially common on rear units that tend to have stones kicked up by the front wheels. You can also perform a bounce test by taking each corner of the vehicle and pushing down hard. The corner should drop, rise and settle again. If the body continues to move up and down, there's a good chance your shocks need to be replaced. Though these home tests can indicate worn shocks or struts, it is also recommended that you take your vehicle to a qualified service technician and let them do a thorough inspection every 12 months or 12,000 miles.
FAQ - A4Yes, if you are replacing your vehicle's struts. However, it is not necessary to get your vehicle aligned when replacing your vehicle's shocks unless there was or is a previous issue.
FAQ - A5Yes, it is important to choose the correct shock or strut for your vehicle model and year, as well as for the location in the vehicle.
FAQ - Q1Is there a difference between a shock and a strut?
FAQ - Q2Do gas charged shocks or struts contain oil?
FAQ - Q3Can I check my vehicle's shocks for wear?
FAQ - Q4Should I have my vehicle aligned after replacing my shocks or struts?
FAQ - Q5Do I need different shocks for front, rear, left, or right applications?
Good Maintenance Practices - S1 B1Brakes
Good Maintenance Practices - S1 B2Tie rods
Good Maintenance Practices - S1 B3Ball joints
Good Maintenance Practices - S1 B4Tires
Good Maintenance Practices - S1 HYour vehicle's shocks and struts slowly deteriorate over time, though this wear is normally difficult to detect. To maximize your vehicle's ride comfort and safety, it is recommended to replace your vehicle's shocks and struts every 50,000 miles. Worn shocks and struts can also cause additional wear to other vehicle components. Affected components include:
Good Maintenance Practices - S2 B1Leaking oil or wetness along the body of the shock or strut.
Good Maintenance Practices - S2 B2Broken mounts, worn or missing bushings.
Good Maintenance Practices - S2 B3Broken, damaged, or missing mounting hardware.
Good Maintenance Practices - S2 B4Severely dented reservoir tube, bent or scratched piston rod.
Good Maintenance Practices - S2 B5Cupped tire wear.
Good Maintenance Practices - S2 B6Damaged strut body springs, seats, and bushings.
Good Maintenance Practices - S2 B7Defective strut bearing or missing plate.
Good Maintenance Practices - S2 HTo inspect your shocks and struts to gauge wear, check for:
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Marketing Statement - Product LineACDelco provides superior comfort, control, and durability through our Professional, Advantage, and Specialty Suspension lines. We offer a wide variety of parts, such as, suspension components, steering dampers, and lift supports. Preserving your vehicle's safety and driving comfort means also maintaining your vehicle's suspension. ACDelco Suspension Components, like shocks and struts, provide outstanding ride, comfort, and handling for your passenger car, light truck, or SUV. Keep your steering smooth and vibration-free with ACDelco Steering Dampers and use ACDelco Lift Supports to retain your vehicle's accessibility and convenience. To maintain vehicle safety and comfort, as well as convenience and performance, look no further than ACDelco Suspension Components.
Marketing Statement - Sub BrandWhen it comes to replacing your shocks, struts, and other suspension components, ACDelco offers a full line of Professional premium aftermarket suspension products. In addition to shocks and struts, we offer a variety of parts to make part replacement simple and precise. ACDelco Professional Suspension parts fit your GM vehicle, as well as a wide range of other vehicles on the road today.
Mkt_BrandQual_NamePremium Gas Charged
Mkt_State_Warranty_CA24 Months/40,000 KM (Parts Only). Please see for more details.
Mkt_State_Warranty_USLimited Lifetime Warranty (Parts Only). Please see for more details.
Signs of Wear & Troubleshooting - S1 B1There is directional and steering wheel position instability
Signs of Wear & Troubleshooting - S1 B2Your brakes pull
Signs of Wear & Troubleshooting - S1 B3You notice worn or loose suspension or steering components
Signs of Wear & Troubleshooting - S1 B4There is excessive nose dive while braking
Signs of Wear & Troubleshooting - S1 B5Your vehicle has 'acceleration squat'
Signs of Wear & Troubleshooting - S1 B6Your vehicle does not return to a neutral position
Signs of Wear & Troubleshooting - S1 B7Your steering pulls
Signs of Wear & Troubleshooting - S1 B8There is a strut mount or bearing noise
Signs of Wear & Troubleshooting - S1 HIt could be time to replace your shocks or struts if, when driving on a flat smooth surface:
Signs of Wear & Troubleshooting - S2 B1Your ride is harsh, bumpy or shaky
Signs of Wear & Troubleshooting - S2 B2Your vehicle bounces excessively
Signs of Wear & Troubleshooting - S2 B3Your vehicle veers in side winds
Signs of Wear & Troubleshooting - S2 B4Your vehicle leans or sways while turning
Signs of Wear & Troubleshooting - S2 B5Your vehicle bounces excessively after hitting a bump
Signs of Wear & Troubleshooting - S2 B6Your vehicle bottoms out
Signs of Wear & Troubleshooting - S2 HIt could be time to replace your shocks or struts if, when driving on a surface with bumps and/or dips:
Signs of Wear & Troubleshooting - S3 B1If your vehicle's height seems lower than normal when measured
Signs of Wear & Troubleshooting - S3 B2If you notice fluid leakage from your vehicle's shocks or struts
Signs of Wear & Troubleshooting - S3 B3If your vehicle's shocks or struts have dented or heavily scratched housings or mounts
Signs of Wear & Troubleshooting - S3 HUneven patches of wear on the edges of your tire can be a sign of weak ride control (shocks or struts). This wear, called cupping, appears as scalloped dips around the surface of the tread. Other signs it could be time to replace your shocks or struts include:



  • 1985-1987 Oldsmobile Cutlass Salon - Position: Front
  • 1968-1974 Volvo 142 - Position: Front
  • 1968-1969 Buick Special - Position: Front
  • 1970-1988 Chevrolet Monte Carlo - Position: Front
  • 1971-1977 Pontiac Ventura - Position: Front
  • 1970-1975 Volvo 164 - Position: Front
  • 1968-1973 Pontiac GTO - Position: Front
  • 1973-1975 Pontiac Grand Am - Position: Front
  • 1969-1987 Pontiac Grand Prix - Position: Front
  • 1982-1986 Pontiac Bonneville - Position: Front
  • 1987-1991 Avanti II - Position: Front
  • 1973-1975 Buick Apollo - Position: Front
  • 1978-1980 Pontiac Grand Am - Position: Front
  • 1969-1972 Toyota Corona - Position: Front
  • 1974-1979 Oldsmobile Omega - Position: Front
  • 1964-1967 Nissan 411 - Position: Front
  • 1985-1987 Oldsmobile Cutlass - Position: Front
  • 1970-1974 Volvo 145 - Position: Front
  • 1975-1979 Buick Skylark - Position: Front
  • 1970-1972 Buick GS 455 - Position: Front
  • 1980-1983 Oldsmobile Cutlass Cruiser - Position: Front
  • 1969-1979 Chevrolet Nova - Position: Front
  • 1970-1972 Buick GS - Position: Front
  • 1975-1983 Pontiac Grand LeMans - Position: Front
  • 1976-1979 Cadillac Seville - Position: Front
  • 1973-1981 Buick Century - Position: Front
  • 1964-1965 Nissan 410 - Position: Front
  • 1968-1973 Chevrolet Chevelle - Position: Front
  • 1973-1983 Chevrolet Malibu - Position: Front
  • 1971-1987 Oldsmobile Cutlass Supreme - Position: Front
  • 1968-1970 Pontiac Tempest - Position: Front
  • 1968-1975 Oldsmobile Vista Cruiser - Position: Front
  • 1968-1981 Pontiac LeMans - Position: Front
  • 1977-1979 Pontiac Phoenix - Position: Front
  • 1968-1972 Buick Sportwagon - Position: Front
  • 1967-1969 Chevrolet Camaro - Position: Front
  • 1973-1977 Toyota Corona - Position: Front
    • Mfg. from 8/73
  • 1973-1973 Oldsmobile Omega - Position: Front
    • Exc. Heavy Duty Suspension
  • 1968-1981 Oldsmobile Cutlass - Position: Front
  • 1973-1987 Buick Regal - Position: Front
  • 1980-1980 Oldsmobile Cutlass Salon - Position: Front
  • 1968-1974 Volvo 144 - Position: Front
  • 1968-1972 Oldsmobile F85 - Position: Front
  • 1971-1975 Pontiac Grandville - Position: Front
  • 1978-1978 Toyota Corona - Position: Front
  • 1980-1984 Oldsmobile Cutlass Calais - Position: Front
  • 1968-1969 Buick GS 350 - Position: Front
  • 1968-1972 Buick Skylark - Position: Front
  • 1967-1969 Pontiac Firebird - Position: Front
  • 1968-1968 Chevrolet Chevy II - Position: Front
  • 1968-1969 Buick GS 400 - Position: Front
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