Front Left Lower Forward Control Arm for 2012 Audi Models - Aluminium
Front Left Lower Forward Control Arm for 2012 Audi Models - Aluminium
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In this review of the Front Left Lower Forward Control Arm, the bottom line is simple: this aluminium replacement is aimed at DIY mechanics and independent shops who need a direct-fit, long-lasting control arm for a wide range of Audi models from 2008 to 2012. The reviewer found the part to be a straightforward substitute for the OE piece, with pre-greased joints that save initial servicing time and manufacturing standards that exceed OEM requirements. For anyone replacing a worn arm on compatible Audi sedans, coupes, or SUVs, this part offers dependable fit and value.
Key Features
- Compatibility: Covers many Audi models from 2008 to 2012, reducing the risk of ordering the wrong part and simplifying sourcing for common repairs.
- Material: Constructed from aluminium for a balance of strength and reduced unsprung weight, which helps maintain suspension response.
- Pre-greased: Supplied pre-greased for smoother initial movement and reduced installation prep time.
- Quality standards: Manufactured to IATF 16949 and ISO 9001 standards, indicating consistent production quality above basic aftermarket levels.
- Warranty: Backed by a 3 year / 36,000 mile limited warranty from installation, providing added confidence after fitting.
Who It's For
This control arm is best for owners of 2008-2012 Audi A4, A5, A6, A7, Q5, S4, S5 and RS5 models who prefer a direct replacement part that aims to match or exceed OEM durability. It suits technicians and experienced DIYers who are comfortable swapping suspension components and want a part ready to install with minimal prep.
Those who should look elsewhere include people with non-Audi vehicles or owners of Audi years or variants not listed in the compatibility notes. Also, if a seller-specified OEM part number match is mandatory for warranty or dealership service, users may prefer sourcing through a dealer network.
Pros & Cons
Pros
- Good fitment across many Audi model years, which minimizes ordering errors.
- Pre-greased joints reduce initial maintenance and speed installation.
- Aluminium construction provides strength with lower weight than steel alternatives.
- Backed by a 3 year / 36,000 mile limited warranty for peace of mind.
Cons
- Compatibility list is specific to certain years and trims, so verification against OE interchange numbers is still required.
- Aftermarket parts may differ subtly from dealer-original finish or minor fit tolerances.
Specifications
| Brand | METRIX PREMIUM CHASSIS PARTS |
| Position | Front Left Lower Forward |
| Material | Aluminium |
| Quantity | 1 |
| OE/Interchange Numbers | RK641152, CMS70147, 521-255, 8K0407151B |
| Standards | IATF 16949, ISO 9001 |
| Warranty | 3 Year / 36,000 miles Limited Warranty |
Our Verdict
The Front Left Lower Forward Control Arm is a solid, value-oriented replacement for compatible 2008-2012 Audi models, offering pre-greased convenience, aluminium construction, and manufacturing standards that exceed basic aftermarket options. It is recommended for DIY mechanics and independent shops who need reliable fitment and a backed warranty without paying dealer premiums.
Frequently Asked Questions
Will this control arm fit my 2010 Audi A4 Quattro?
Yes, this part lists compatibility with 2010 A4 Quattro models; confirm using the OE interchange numbers for exact trim matches.
Is the joint pre-greased out of the box?
Yes, the control arm is supplied pre-greased to reduce initial maintenance and help smooth movement after installation.
What warranty covers this part?
The control arm includes a 3 year or 36,000 mile limited warranty from the date of installation.
Editor's Take
A dependable aluminium replacement for 2008-2012 Audi models that installs easily, arrives pre-greased, and is backed by a 3 year / 36,000 mile warranty, making it good value for DIY and independent shops.

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