StrongArm 4221R Tailgate Lift Support - Right

StrongArm Tailgate Lift Support for Subaru

Restore controlled tailgate operation with this StrongArm tailgate lift support, part number 4221R. It is a specific-fit gas strut engineered for the right side of select Subaru Legacy and Subaru Outback models, with dimensions and force output matched to the application for smoother opening and dependable hold.

Key Features

• Specific-fit tailgate lift support for the right side
• Compressed length: 13.95 in.; extended length: 22.3 in.; stroke length: 8.35 in.
• Maximum force rating: 124.0
• Steel outer cylinder with black finish
• Ball socket (nylon) 10mm end and blade-with-bracket end
• Rubber and Teflon materials for operating consistency
• Cross-reference part number: Monroe Shocks & Struts 510-742

Detailed Description

StrongArm 4221R is a tailgate lift support built for the right side of 1995-2004 Subaru Legacy and 2000-2004 Subaru Outback applications. The pressurized cylinder helps support rear liftgate movement, reducing the effort needed to open and hold the tailgate in position. StrongArm manufactures each lift support to tighter-than-standard specifications for consistent operation and longer service life. This part number 4221R is a direct-fit replacement for the listed Subaru applications and is also referenced by AMS Automotive 4221R.

What It Helps Fix

• Tailgate that drops instead of staying open
• Weak or slow liftgate movement
• Uneven support on the right side of the rear hatch
• Excess effort needed to raise the tailgate
• Noisy or inconsistent lift support operation

Installation Notes and Tips

Fits 1995-2004 Subaru Legacy, right. Fits 2000-2004 Subaru Outback, right. Confirm the existing support length, end fittings, and right-side mounting location before installation. Replace the lift support in the same position with the correct application-specific part to maintain balanced tailgate operation. For Subaru Legacy and Subaru Outback rear hatch service, verify the ball socket and bracket attachment points match the vehicle before removal.

Quality Assurance

StrongArm states that its lift supports are custom engineered and manufactured beyond industry standards to deliver smoother operation and longer-lasting performance. The pressurized design and application-specific dimensions support consistent rear liftgate function on the listed Subaru models.