The Ultimate Guide to Saab 900 Suspension Parts: Selection and Replacement Tips

The Saab 900 is a classic that still turns heads, but its suspension components are often the first to show age. Whether you own a classic 900 (1978–1993) or the later 900 (1994–1998), the right suspension parts keep it handling safely and comfortably. This guide covers the suspension system, common wear items, how to choose replacements, and what to expect during installation.

Understanding the Saab 900 Suspension System

The Saab 900 uses a front MacPherson strut setup and a rear beam axle with trailing arms and coil springs. This design provides a good balance of ride comfort and handling, but over time rubber bushings degrade, shocks lose damping, and springs sag.

Front Suspension Components

• Struts and Shock Absorbers: The front strut assembly includes the shock absorber, spring, and upper mount. Worn struts cause bouncing, poor steering response, and uneven tire wear.
• Control Arms and Bushings: The lower control arm connects the wheel hub to the subframe. Its bushings wear out, leading to clunking noises and vague steering.
• Sway Bar and End Links: The front sway bar reduces body roll. Deteriorated end links create rattling over bumps.
• Steering Knuckle and Ball Joints: Ball joints allow steering movement. Excessive play causes wandering and unsafe handling.

Rear Suspension Components

• Shock Absorbers: Rear shocks are separate from the springs. Worn shocks cause a bouncy ride and poor traction.
• Coil Springs: Rear springs can sag over time, lowering ride height and reducing load capacity.
• Trailing Arm Bushings: These bushings control rear axle movement. When worn, the rear end feels loose during cornering.
• Panhard Rod: Some models have a Panhard rod to locate the axle laterally. Worn bushings here lead to sideways axle movement.

Common Signs of Worn Suspension Parts

• Clunking or knocking noises over bumps – often worn bushings or end links.
• Excessive body roll in turns – weak sway bar links or worn shocks.
• Uneven tire wear – misalignment caused by worn components.
• Bouncy ride – shock absorbers have lost damping.
• Steering wheel vibration – worn ball joints or tie rod ends.
• Vehicle sagging – broken or sagging springs.

Choosing Replacement Suspension Parts

OEM vs. Aftermarket

Factory OEM parts match original specifications and are reliable but expensive. Aftermarket parts offer a range of quality and price. For most daily drivers, premium aftermarket brands like Sachs, Bilstein, and Lemförder provide excellent value. Avoid the cheapest options, as they often fail quickly.

Struts and Shocks

• Standard replacement: Sachs or Monroe provide good comfort and longevity.
• Performance upgrade: Bilstein or Koni offer stiffer damping for sportier handling. Be aware that firm shocks may reduce ride comfort.
• Coilover kits: Not recommended for stock suspension geometry unless you plan extensive modifications; they can compromise ride quality.

Springs

Stock replacement springs restore factory ride height. Eibach or H&R offer progressive-rate springs that lower the car slightly while improving handling. If you lower the car, you may need adjustable suspension components to maintain proper alignment.

Bushings

Rubber bushings are standard for comfort. Polyurethane bushings (e.g., Powerflex) are stiffer and last longer but transmit more road noise and vibration. For a daily driver, stick with rubber or high-quality aftermarket rubber.

Ball Joints and Tie Rods

These are safety-critical. Use reputable brands like TRW, Moog, or OEM. Check for cast iron or forged steel joints; avoid cheap stamped metal units.

Installation Considerations

Replacing Saab 900 suspension parts is moderately difficult. Front struts require a spring compressor and proper torque specs. Rear shocks are straightforward. Bushings often need a press or special tools.

• Alignment: After replacing any major component (control arms, struts, tie rods), get a professional alignment. Incorrect alignment causes rapid tire wear and poor handling.
• Torque values: Always tighten fasteners to factory specs. Overtightening can break bolts; undertightening leads to noise or failure.
• Inspect related parts: While you’re replacing shocks, check the strut mounts, bump stops, and dust boots. Replace if cracked or worn.

If you’re not comfortable with a spring compressor or pressing bushings, have a shop do the work. The cost of professional installation is often worth the safety and peace of mind.

Final Recommendation

For most Saab 900 owners, a combination of high-quality aftermarket struts (Sachs or Bilstein B4) and new rubber bushings from Lemförder or Meyle provides the best balance of cost, comfort, and reliability. Replace front strut mounts at the same time as struts. For the rear, new shocks and fresh trailing arm bushings will eliminate the “floating” feeling many older 900s develop.

Avoid buying the cheapest parts from unknown brands. A suspension that feels tight and composed makes the Saab 900 a joy to drive. Invest in quality components and proper installation, and your classic will handle like new for many miles.