2021 Ram 1500 Wheel Alignment Specifications

Quick reference

These are the factory alignment specifications for a 2021 Ram 1500. All values are in degrees.

Adjustability

Understanding which alignment angles can be adjusted with factory hardware is key to knowing what to expect during an alignment service.

• Front Axle: On a 2021 Ram 1500, the front caster and camber are not factory-adjustable. The original equipment (OE) upper control arm bolts are non-eccentric, meaning they do not have a cam or slot to allow for adjustment. Only the front toe is adjustable via the tie rod ends.

• Rear Axle: The rear suspension on the 2021 Ram 1500 is a solid axle (on most configurations), which means rear camber and toe are not adjustable. The thrust angle is a measurement of the rear axle's alignment relative to the vehicle centerline; if it is out of specification, it typically indicates a bent frame or damaged suspension mounting points, which is not corrected by a standard alignment.

Recommended adjustment hardware

If your Ram 1500 requires camber or caster adjustment to bring it back into specification—often necessary after installing a leveling kit, lift kit, or due to slight deviations in the frame or suspension components—aftermarket solutions are required.

The most common method for adding adjustability to the front of these trucks is to install offset ball joints or adjustable upper control arms. Reputable brands like SPC (Specialty Products Company) or Moog offer kits that replace the non-adjustable factory components. For example, SPC offers an adjustable upper control arm (part #25680) that provides a significant range of camber and caster adjustment, allowing a technician to dial in the alignment precisely.

Installing these components will add to the initial cost of the alignment service but will ensure proper handling and prevent premature tire wear in the long run.

Symptoms of bad alignment

Your truck will often give you clear signs when its alignment is off. Look and listen for these common symptoms:

• Vehicle Pulling: The most obvious sign is the truck consistently pulling or drifting to the left or right when you are trying to drive straight.
• Off-Center Steering Wheel: When driving straight, the steering wheel is not centered. The Ram logo will be crooked.
• Uneven Tire Wear: This is a critical indicator. Different alignment issues cause distinct wear patterns:
  • Camber Wear: Excessive positive or negative camber will cause wear on the outer or inner edge of the tire, respectively. If you see the inside shoulder of your front tires wearing out much faster than the rest of the tread, it's likely due to excess negative camber.
  • Toe Wear: Incorrect toe settings will cause a "feathering" or "scalloping" pattern across the tread. If you run your hand over the tire, it will feel like saw teeth. This is caused by the tire being dragged sideways as it rolls forward.
  • Caster Issues: While incorrect caster doesn't typically cause tire wear, it significantly impacts steering stability. Too little caster can make the steering feel light and "darty" at high speeds, while too much can make it heavy and difficult to turn.

When to align

Regular alignment checks are crucial for vehicle maintenance. You should have your 2021 Ram 1500's alignment checked:

• After installing new tires: To protect your investment and ensure they wear evenly from the start.
• After any suspension or steering service: This includes replacing shocks, struts, ball joints, control arms, or tie rods.
• After installing a lift or leveling kit: Altering the ride height changes all alignment angles, making a new alignment mandatory.
• After a significant impact: Hitting a large pothole, curb, or road debris can easily knock your alignment out of specification.
• Every 12 months or 12,000 miles: As a general preventative maintenance measure, especially if you frequently drive on rough roads.

Typical alignment cost

The cost for a four-wheel alignment on a 2021 Ram 1500 can vary based on your location and the shop's labor rates. A standard front-end toe adjustment will typically cost between $120 and $180.

If the truck requires camber and caster adjustment using aftermarket parts, the cost will increase significantly. You will have the added expense of the parts themselves (e.g., adjustable control arms can cost $400-$800 per pair) plus the additional labor for installation, which can add several hundred dollars to the total bill.

Find a trusted alignment shop on Repairius.