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Carrera GT (2003-2006)
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Porsche 911 RS A-Arm Ball Joint Set (FI 18). Porsche 911 RS 1974-1989 ❭ 90134104704
Porsche 911 RS A-Arm Ball Joint Set (FI 18). Porsche 911 RS 1974-1989 - 90134104704
90134104704/6
Vehicle Group
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Information
Porsche 911 RS A-Arm Ball Joint Set (FI 18)
Restore the front suspension precision of your Porsche 911 RS with this replacement ball joint set designed for the FI 18 A-arms. Supplied with the required mounting hardware (hub nut, lock plate, split pin), this set fits the 1974-89 911 RS series and delivers original-spec performance and fitment.
Sold As A Set.
x2 Sets Required Per Car.
Fits:
What This Product Does:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90134104704
The product you are viewing cross references to these numbers
Restore the front suspension precision of your Porsche 911 RS with this replacement ball joint set designed for the FI 18 A-arms. Supplied with the required mounting hardware (hub nut, lock plate, split pin), this set fits the 1974-89 911 RS series and delivers original-spec performance and fitment.
Sold As A Set.
x2 Sets Required Per Car.
Fits:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
What This Product Does:
- The ball joint sits in the lower portion of the front suspension A-arm (wishbone) and provides the pivotal interface between the A-arm and the steering knuckle/hub.
- It allows controlled articulation (up/down movement of A-arm, steering motion) while keeping the hub and suspension geometry correct (camber, toe, caster).
- Because it’s a replacement for the “RS A-arm ball joint”, when worn or loose it can degrade handling, alignment, tire wear, and front-end feel.
- In essence ensures the front suspension remains tight, precise and responsive.
Symptoms Of Wear Or When To Replace:
- Clunking or knocking noises from the front suspension during cornering, over bumps, or when steering — ball joints with internal play can cause these.
- Uneven or excessive tyre wear on the inside or outside of the front tyres — worn ball joints allow geometry to drift under load.
- Loose or vague steering feel, wandering front end or less precise turn-in — again typically linked to suspension joint play.
- Visible rubber boot damage, grease leakage or rust around the ball joint — older 911 RS suspension components may have aged.
- Restores safety & handling precision: On a high-performance classic like the Porsche 911 RS, the front suspension must be tight and accurate — a worn ball joint undermines that.
- Maintains correct geometry: Fresh joints help keep camber, toe and caster stable under load — vital for handling balance and tyre life.
- Prevents further damage: A failing ball joint can lead to increased stress on tyres, A-arms, bearings and may lead to more costly front-end repairs.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90134104704
90134104704
91134104905
The product you are viewing cross references to these numbers
Price: €172.47
In stock
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