Front Lower Control Arm with Ball Joint for Porsche 1999-2005 911

In this review the focus is a direct-replacement front lower control arm with ball joint designed for Porsche 1999-2005 911 and compatible Boxster/Cayman years. The bottom line: this control arm is aimed at DIY mechanics and independent shops who need a cost-effective, pre-assembled direct fit that simplifies suspension work. Its single biggest selling point is ease of installation thanks to the pre-assembled ball joint and OE-style fitment, which reduces removal and alignment hassles when swapping a worn lower arm.

Key Features

• Direct fit references: Includes multiple reference numbers for confident compatibility checks with familiar OEM codes and aftermarket catalogs.
• Pre-assembled ball joint: Comes with the ball joint installed to save time and reduce the need for extra tools during replacement.
• Wide vehicle coverage: Fits several model years of Porsche 911, Boxster, and Cayman, making it useful for owners of multiple models.
• DIY video support: Backed by the brand's large catalog of how-to videos so technicians can view procedures before starting work.
• Designed for ease of installation: Engineered as a like-for-like replacement to minimize modifications and speed up the repair.

Who It's For

This part is best for Porsche owners and independent mechanics who want a ready-to-install lower control arm for front suspension repair on 1999-2005 911 models and compatible Boxster/Cayman years. It suits those who prioritize a part that matches original geometry and reduces labor time by arriving pre-assembled.

Those who should look elsewhere include restorers demanding an exact original heavy-duty OEM casting or buyers seeking a performance-tuned aftermarket suspension arm, since this unit is positioned as a practical replacement emphasizing fit and convenience over upgraded performance.

Pros & Cons

Pros

• Direct-fit design aligns with factory mount points for straightforward installation.
• Pre-assembled ball joint reduces steps and tool needs during replacement.
• Good value and positive reports for fit and ease of installation from users.
• Extensive reference numbers and video resources help confirm compatibility.

Cons

• Some users note mixed long-term durability compared with heavier-duty original components.

Specifications

Brand	TRQ
Part type	Front lower control arm with ball joint
Reference numbers	522-988; RK622463; 99634105306; 99634105307; 99634105314; 99634105316; 99634105317; 99634106300
Compatible models	1999-2005 Porsche 911; 1997-2006 Boxster; 2006 Cayman (as listed)
Fitment	Direct replacement, pre-assembled
Intended users	DIY mechanics and independent repair shops

Our Verdict

The TRQ front lower control arm is a practical, cost-conscious replacement for owners needing a like-for-like front suspension arm for late 90s and early 2000s Porsche models. Its strongest advantages are the pre-assembled ball joint and extensive fitment references backed by DIY videos, making it good value for routine repairs; those seeking a heavier-duty OEM match or performance upgrade should compare alternatives first.

Frequently Asked Questions

Will this control arm fit my 2004 Porsche 911?
Yes, it lists compatibility with 1999-2005 Porsche 911 front lower positions, but verify exact fitment with your vehicle reference numbers before purchase.

Does it come with the ball joint installed?
Yes, the arm is supplied with the ball joint pre-assembled to simplify installation and reduce labor time.

Is this a performance upgrade part?
No, this unit is intended as a direct-fit replacement emphasizing fit and ease of installation rather than performance enhancement.