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Porsche > 991 (911) MK2 2016-2019 > 991.2 Speedster 4.0L (510Bhp) 2019 > Suspension & Axle >

Track Control Arm REAR

Track Control Arm REAR

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DISPLAYING 1 to 6 (of 6 products)
Control Arm Lock Nut, M12 x 1,5. Porsche 993 / 996 / 997 / 991 / Boxster / Cayman - 99908444909 - 104282
5
Control Arm Lock Nut, M12 x 1,5. Porsche 993 / 996 / 997 / 991 / Boxster / Cayman
99908444909/1::1
Product Information
Product Information
Control Arm Lock Nut M12 x 1.5 – Arm to Wheel Carrier
This OE Match control arm lock nut is an M12 x 1.5 securing nut used on the suspension assembly of various Porsche models. It is designed for the control arm-to-wheel carrier connection, providing an OE-style fit and secure fastening performance.
Sold individually, Quantity required depends on the vehicle model.

Fits:
Porsche 993 1995 - 1998  (Front & Rear)
Porsche 996 1998 - 2005  (Front & Rear)
Porsche 996 Turbo 2000 - 2005  (Front & Rear)
Porsche 996 GT3 1999 - 2005 (Rear)
Porsche 997.1 2005 - 2008  (Front & Rear)
Porsche 997.2 2009 - 2012  (Front & Rear)
Porsche 997 Turbo 2007 - 2013  (Front & Rear)
Porsche 997 GT3  (Front & Rear)
Porsche 991.1 2012 - 2016 (Front)
Porsche 991.2 2017 - 2019 (Front)
Porsche 991 Turbo 2014 - 2020 (Front)
Porsche 991 GT3 (Front)
Porsche Boxster 986 1997 - 2004 (Front)
Porsche Boxster 987.1 2005 - 2008  (Front & Rear)
Porsche Boxster 987.2 2009 - 2012  (Front & Rear)
Porsche Boxster 981 2012 - 2016  (Front & Rear)
Porsche Boxster 982 (718) 2017 >> (Front)
Porsche Cayman 987C.1 2005 - 2008  (Front & Rear)
Porsche Cayman 987C.2 2009 - 2012  (Front & Rear)
Porsche Cayman 981C 2012 - 2016  (Front & Rear)
Porsche Cayman 981C GT4 2016 (Front)
Porsche Cayman 982C (718C) 2017 >> (Front)

Diagram ref no 22 (Front)
Diagram ref no 14 (Rear)

The lock nut fastens the control arm to the wheel carrier, helping keep the suspension arm securely mounted in its correct position. This connection is important for maintaining suspension geometry, wheel alignment, and stable handling.  Depending on the model, it may be used on front or rear suspension arm connections where Porsche specifies an M12 x 1.5 locking nut.

Functions
•  Secures the control arm to the wheel carrier
•  Helps maintain correct suspension alignment and geometry
•  Supports stable wheel location during driving, braking, and cornering
•  Helps prevent loosening caused by road vibration and suspension movement
•  Provides a secure OE Match replacement for the original lock nut
•  Suitable for suspension repair, control arm replacement, or wheel carrier service

Suspension lock nuts are safety-critical fasteners and may lose locking strength after removal. They can also become corroded, damaged, rounded, or worn over time. Replacing the lock nut during suspension work helps ensure the control arm is secured correctly and reduces the risk of loosening after reassembly.

When to replace
•  This Part The control arm has been removed or replaced
•  The wheel carrier or suspension arm connection has been dismantled
•  The original nut is corroded, damaged, rounded, or seized
•  The nut no longer tightens or locks correctly
•  Suspension repairs or alignment-related work are being carried out
•  There is play, looseness, or noise from the control arm mounting area
•  As recommended during service where single-use locking hardware is removed

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99908444909
99908444909

The product you are viewing cross references to these numbers
Control Arm Lock Nut, M12 x 1,5. Porsche 993 / 996 / 997 / 991 / Boxster / Cayman - 99908444909
5
Control Arm Lock Nut, M12 x 1,5. Porsche 993 / 996 / 997 / 991 / Boxster / Cayman
Special Order item
99908444909::1
Product Information
Product Information
Control Arm Lock Nut - Arm to Wheel Carrier,  M12 x 1,5
This genuine Porsche locking nut is designed to provide the correct factory fitment at control arm mounting points where a secure M12 x 1.5 nut is required. It secures the control arm to the wheel carrier on select Porsche 911, Boxster, Cayman and Panamera models.
Sold individually, Quantity required depends on the vehicle model.

Fits:
Porsche 993 1995 - 1998  (Front & Rear)
Porsche 996 1998 - 2005  (Front & Rear)
Porsche 996 Turbo 2000 - 2005  (Front & Rear)
Porsche 996 GT3 1999 - 2005 (Rear)
Porsche 997.1 2005 - 2008  (Front & Rear)
Porsche 997.2 2009 - 2012  (Front & Rear)
Porsche 997 Turbo 2007 - 2013  (Front & Rear)
Porsche 997 GT3  (Front & Rear)
Porsche 991.1 2012 - 2016 (Front)
Porsche 991.2 2017 - 2019 (Front)
Porsche 991 Turbo 2014 - 2020 (Front)
Porsche 991 GT3 (Front)
Porsche Boxster 986 1997 - 2004 (Front)
Porsche Boxster 987.1 2005 - 2008  (Front & Rear)
Porsche Boxster 987.2 2009 - 2012  (Front & Rear)
Porsche Boxster 981 2012 - 2016  (Front & Rear)
Porsche Boxster 982 (718) 2017 >> (Front)
Porsche Cayman 987C.1 2005 - 2008  (Front & Rear)
Porsche Cayman 987C.2 2009 - 2012  (Front & Rear)
Porsche Cayman 981C 2012 - 2016  (Front & Rear)
Porsche Cayman 981C GT4 2016 (Front)
Porsche Cayman 982C (718C) 2017 >> (Front)

Diagram ref no 22 (Front)
Diagram ref no 14 (Rear)

This lock nut fits in the suspension assembly, at the control arm to wheel carrier mounting point. Depending on the model, it may be used on front or rear suspension arm connections where Porsche specifies an M12 x 1.5 locking nut.

Functions
•  Secures the control arm to the wheel carrier
•  Provides a factory-correct M12 x 1.5 locking fastening point
•  Helps maintain suspension arm stability and alignment
•  Prevents loosening caused by road vibration and suspension movement
•  Supports correct suspension geometry and wheel control
•  Helps ensure safe and secure mounting of chassis components
•  Provides OE Porsche fitment, thread size and fastening quality.

Control arm lock nuts are exposed to road dirt, moisture, corrosion and high suspension loads. Over time, the nut can corrode, seize, round off or lose its locking ability. Because this fastener secures a critical suspension joint, it is good practice to replace it whenever the control arm is removed or replaced.

Using a Genuine Porsche OE lock nut helps ensure the control arm is correctly secured to the wheel carrier and maintains the factory-standard suspension assembly.

When to replace
•  When replacing a control arm, wishbone or coffin arm
•  When removing or refitting the arm-to-wheel-carrier joint
•  If the original nut is corroded, seized or damaged
•  If the thread is worn or the locking function is compromised
•  During suspension overhaul or chassis repair work
•  After accident repair or wheel carrier replacement
•  When restoring the suspension with correct OE Porsche hardware.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99908444909
99908444909

The product you are viewing cross references to these numbers
Rear control arm hexagon head bolt, M 14 X 100. Porsche 996 / 997 - 90037805101, 90037805109
4
Rear control arm hexagon head bolt, M 14 X 100. Porsche 996 / 997
Special Order item
90037805101
Product Information
Product Information
Rear control arm hexagon head bolt, M 14 X 100.
Designed for the rear axle control arm on Porsche 996 and 997, it provides exact factory fit, strength, and corrosion resistance.
Sold each.

Fits:
Porsche 996 1998 - 2005 
Porsche 997.1 2005 - 2008 
Porsche 997.2 2009 - 2012

Diagram ref no 18

Thread size / spec: M14 × 1.5 × 100 mm
 Supersession: Part 90037805109 is superseded by 90037805101

This bolt secures the rear suspension control arm to the wheel carrier or subframe, providing the clamping force needed to maintain accurate suspension alignment and minimize movement under load.

Over years of service, high torque loads, vibration, and exposure to road conditions can weaken or corrode suspension bolts. A compromised bolt may lead to improper alignment, handling instability, or noise under braking and cornering.

When to replaces:
• During control arm replacement, alignment service, or rear suspension rebuilds
• If original bolts show corrosion, stretching, or thread wear
• As part of preventive maintenance when reassembling load-bearing suspension joints

Replacing with Genuine Porsche hardware ensures structural integrity, precise fit, and lasting performance.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90037805101
90037805101
90037805109

The product you are viewing cross references to these numbers
Rear control arm hexagon head bolt, M 14 X 100. Porsche 996 / 997 - 90037805101, 90037805109 - 96138
4
Rear control arm hexagon head bolt, M 14 X 100. Porsche 996 / 997
90037805101/1
Product Information
Product Information
Rear control arm hexagon head bolt, M 14 X 100.
Built to factory specs for the rear axle control arms on 996 and 997 models, they deliver the fit and strength your high-performance suspension deserves.
Sold each.

Fits:
Porsche 996 1998 - 2005 
Porsche 997.1 2005 - 2008 
Porsche 997.2 2009 - 2012

Diagram ref no 18

Thread size / spec: M14 × 1.5 × 100 mm
Supersession: 90037805109, 90037805101

Since the control-arm mounting bolt bears major structural loads and undergoes vibration and torque stress, it can become worn, stretched, corroded or fatigued over time. This reduces its ability to maintain correct alignment and clamping force - potentially resulting in handling issues or component wear. Replacement is especially important when performing rear suspension service, control arm replacement, or alignment work. Installing the correct bolt restores reliable mounting integrity and ensures the rear axle geometry remains stable under load.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90037805101
90037805101
90037805109

The product you are viewing cross references to these numbers
Rear Trailing Arm for Porsche 991.1 / 992.1 Carrera & Turbo 2012>> BBi Autosport - 99133104703, 9P1505397A, 99133106104, 9P1505237B, 99133104303, 9P1505223B, 99133104320, 99133104403, 9P1505224B, 99133104420 - bbi.991.501.0006
1
Rear Trailing Arm for Porsche 991.1 / 992.1 Carrera & Turbo 2012>> BBi Autosport
BBIDOGBONE991
Product Information
Product Information
BBi Autosport rear dogbone arm set.

bbi

Fits
991.1 and 991.2 Carrera and Carrera S
991.1 and 991.2 Carrera 4 and Carrera 4S
991.1 and 991.2 GTS
991.1 and 991.2 turbo

Product Description:
The BBi Autosport "Dogbone" Rear arm set upgrades the factory control arms with machined and anodized units designed to house spherical bearings.

The full set replaces the arms with rubber bushings and bring back control, stability and predictability in the suspension - much like the RS models.

These are fully serviceable parts.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

BBIDOGBONE991
99133104703
9P1505397A
99133106104
9P1505237B
99133104303
9P1505223B
99133104320
99133104403
9P1505224B
99133104420

The product you are viewing cross references to these numbers
Upper control arms concentric monoball kit. Porsche 991 2012 onwards - 2260007, 99133104503, 9P1501529, 99133104520, 99133104703, 9P1505397A, 9P1505397
2
Upper control arms concentric monoball kit. Porsche 991 2012 onwards
2260007
Product Information
Product Information
Rear track rod concentric monoballl kit.
1 kit required per car

elephantracing

Fits
Porsche 991 2012 Onward - Rear Only

These monoball cartridges replace factory rear upper control arm bushings with hardened-steel spherical bearings. Spherical bearings allow free motion on multiple axis and eliminate deflection associated with rubber, resulting in more precise holding of toe and camber.High tolerance machined housing allow for simple press fit installation. Correct spacers ensure proper fitment.

Weather Sealed
Monoball housing and spacers are hard anodized for protection. Our proprietary rubber seals keep the precision bearing from road contaminates for extended life of the product.

The kit includes 8 monoball bearings. 2 per arm, for 4 arms total.
Order one kit per car.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

2260007
2260007
99133104503
9P1501529
99133104520
99133104703
9P1505397A
9P1505397

The product you are viewing cross references to these numbers
DISPLAYING 1 to 6 (of 6 products)
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About Track Control Arm REAR

Porsche Rear Track Control Arms | Design911 Suspension Components for Alignment, Grip & Handling Stability

Rear track control arms are vital suspension components that maintain your Porsche’s precise wheel alignment, handling balance, and stability under cornering and braking. These arms connect the chassis to the rear wheel hubs, allowing controlled suspension movement while keeping the wheels correctly positioned relative to the road. High-quality track control arms ensure consistent tyre contact, optimal geometry, and the responsive, agile performance that defines Porsche handling.

At Design911, we stock a wide range of rear track control arms and related hardware — precision-engineered for strength, durability, and perfect fitment. Crafted from reinforced steel or lightweight aluminium alloys, these components provide lasting rigidity and improved performance. Whether for suspension servicing, alignment correction, or performance upgrades, our control arms restore confidence, stability, and cornering precision to your Porsche.

What Do Rear Track Control Arms Do?

Rear track control arms play a key role in ensuring stable suspension geometry and consistent handling.

Core Functions:
• Maintain rear wheel alignment and suspension geometry.
• Control lateral and longitudinal wheel movement.
• Enhance traction, grip, and cornering stability.
• Distribute load and stress evenly across the chassis.
• Reduce vibration and improve overall ride comfort.

Properly functioning track control arms ensure precise steering response, improved grip, and the balanced handling Porsche vehicles are renowned for.

Why Do Rear Track Control Arms Fail or Degrade?

Rear control arms are subject to high loads, constant motion, and environmental exposure, which lead to wear or fatigue over time.

Common Causes of Failure Include:
• Worn or perished rubber or polyurethane bushes.
• Corrosion weakening the arm’s structure.
• Ball joint wear leading to play or noise.
• Impact damage from potholes or curbs.
• Fatigue or cracking under heavy cornering forces.

When rear control arms wear or fail, symptoms can include uneven tyre wear, vibration, poor handling stability, and rear-end noise — all of which affect safety and performance.

Why Replace or Upgrade Your Porsche Rear Track Control Arms?

Replacing worn control arms restores your Porsche’s precise handling, ride comfort, and alignment accuracy. Upgraded arms offer stiffer construction and improved adjustability for performance driving or track use.

Key Benefits:
• Restores correct wheel alignment and suspension geometry.
• Improves traction, cornering balance, and braking stability.
• Eliminates noise, vibration, and harshness.
• Available with rubber or performance bush options.
• Fits Porsche 911, 944, 968, Boxster, Cayman, Panamera, Cayenne, and other models.
• Ideal for maintenance, restorations, or performance upgrades.

Design911’s Porsche rear track control arms combine strength, precision, and reliability — ensuring your Porsche delivers the control and composure it was built for.

Highlights

• Premium Porsche rear track control arms and components.
• Engineered from high-strength steel or lightweight alloys.
• Restores suspension geometry, handling, and alignment.
• Available in fixed or adjustable performance designs.
• Perfect for both classic and modern Porsche models.
• Ideal for servicing, suspension upgrades, or race preparation.

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