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Spring Plate

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DISPLAYING 1 to 16 (of 41 products)
1 2 3
SUSPBUSHKIT/3
Product Information
Product Information
Bush kit suspension rebuild. 

Front and Rear axles

Fits:
Porsche 911- 1977 to 1986
Porsche 911 turbo - 1977 to 1988

Suspension bush rebuild kit using standard shore rating (not uprated)



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Related, superseded, cross reference or alternative numbers for comparison.

SUSPBUSHKIT
91134101800
91150193300
91150193400
99952310301
90006706302
91134379203
90133105900
477411313B
477411313N
93033307100
93033307101
93033307200
93033307201
90008203502
90091004602
99908443909
99908444509
99908444501
N0101563
PCG01015630
91134190101
91134190201
93034190101
93034190201
91133300900
91133300905
91133352100

The product you are viewing cross references to these numbers
Special Offer
91133330300/2
Product Information
Product Information
Bolts set for swords rear axle.

Fits:
Porsche 911 (73-89)
Porsche 924S
Porsche 944
Porsche 968

12-piece bolt set for the rear axle of various Porsche models.

The original screws are often rusted tight and wrench flats rarely survive disassembly without damage. Here you get a new set of screws.

Can be used on both sides (Left and Right).

Reference numbers:
91133330301, 91133330501, 91133330501, 90036000701,

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Related, superseded, cross reference or alternative numbers for comparison.

91133330300
4003
91133330300
91133330301
91133330500
91133330501
99902513502
90091009202
90036000701

The product you are viewing cross references to these numbers
Special Order item
91133330501
Product Information
Product Information
Rear spring plate hexagon-head bolt. M 16 x 1,5
Price is each.

porsche

Fits:
Porsche 911 1974-89
Porsche 911 (930) Turbo 1975-89
Porsche 924 1976-85
Porsche 924S 1986-88
Porsche 944 1982-91
Porsche 968 1992-95

Click 'Zoom in' for large parts diagram.
Diagram ref no 19

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Related, superseded, cross reference or alternative numbers for comparison.

91133330501
91133330500
91133330501

The product you are viewing cross references to these numbers
Special Offer
91133101002GRV/1
Product Information
Product Information
Rear axle cross tube.

oematch

Fits:
Porsche 911 Carrera 72-86

Click 'Zoom in' for large parts diagram.
Diagram ref no 1

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Related, superseded, cross reference or alternative numbers for comparison.

91133101002GRV
91133101002
9113310101
91133101002GRV

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Special Offer
91133300900BHD
Product Information
Product Information
Bushings set with instructions:  
Includes 4x Heavy Duty rubber softness spring plate bushings  (w/ 80-85 shore A)

Outer dia: 75mm
Inner dia: 48mm
Thicknes: 42mm

Fits:
Porsche 911 1968-89
Porsche 912 1968-69
Porsche 912 1976
Porsche 930 1978-79

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

91133300900BHD
91133300900BHD
91133300900
1652251110

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91133300900B
Product Information
Product Information
Bushings set with instructions:  
Includes 4x Standard rubber softness spring plate bushings  (w/ 55-60 shore A)

oematch

Outer dia: 75mm
Inner dia: 48mm
Thicknes: 42mm

Fits:
Porsche 911 1968-89
Porsche 912 1968-69
Porsche 912 1976
Porsche 930 1978-79

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

91133300900B
91133300900B
91133300900
1652251110

The product you are viewing cross references to these numbers
Special Order item
91133330301
Product Information
Product Information
Rear spring plate eccentric bolt. M 16 x 1,5

Fits:
Porsche 911 1974-89
Porsche 911 (930) Turbo 1975-89
Porsche 924 1976-85
Porsche 924S 1986-88
Porsche 944 1982-91
Porsche 968 1992-95

Diagram ref no 18

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

91133330301
91133330301
91133330300

The product you are viewing cross references to these numbers
Special Offer
91133330301/1
Product Information
Product Information
Rear spring plate eccentric bolt. M 16 x 1,5
Price is each.

Fits:
Porsche 911 1974-89
Porsche 911 (930) Turbo 1975-89
Porsche 924 1976-85
Porsche 924S 1986-88
Porsche 944 1982-91
Porsche 968 1992-95

Diagram ref no 18

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

91133330301
91133330301
91133330300

The product you are viewing cross references to these numbers
Special Offer
91133330501/1
Product Information
Product Information
Rear spring plate hexagon-head bolt. M 16 x 1,5
Price is each.

oematch

Fits:
Porsche 911 1974-89
Porsche 911 (930) Turbo 1975-89
Porsche 924 1976-85
Porsche 924S 1986-88
Porsche 944 1982-91
Porsche 968 1992-95

Click 'Zoom in' for large parts diagram.
Diagram ref no 19

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

91133330501
91133330500
91133330501

The product you are viewing cross references to these numbers
Special Order item
90133313305
Product Information
Product Information
Rear trailing arm to spring plate eccentric bolt.
Price is each.

Fits:
Porsche 911/912 1965-89
Porsche 911 (930) 1975-89

Diagram ref no 28

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

90133313305
90133313305

The product you are viewing cross references to these numbers
Special Offer
90133313305/1
Product Information
Product Information
Rear trailing arm to spring plate eccentric bolt.
Price is each.

Fits:
Porsche 911/912 1965-89
Porsche 911 (930) 1975-89

Diagram ref no 28

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

90133313305
90133313305

The product you are viewing cross references to these numbers
Special Order item
90133313306
Product Information
Product Information
Rear trailing arm to spring plate eccentric bolt -  M12 x 1,5
Price is each.

Fits:
Porsche 911 1974-89
Porsche 911 (930) Turbo 1975-89

Diagram ref no 25

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

90133313306
90133313306
90133313304

The product you are viewing cross references to these numbers
Special Offer
90133313306/1
Product Information
Product Information
Rear trailing arm to spring plate eccentric bolt - M12 x 1,5.
Price is each.

Fits:
Porsche 911 1974-89
Porsche 911 (930) Turbo 1975-89

Diagram ref no 25

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

90133313306
9330007
90133313306
90133313304

The product you are viewing cross references to these numbers
Special Order item
90133315300
Product Information
Product Information
Spring plate covers normally rust, replacing them will give you a better ride.

Fits:
Porsche 911 1965-89
Porsche 930 1975-77

Diagram Ref No. 29

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

90133315300
90133315300
1652250200

The product you are viewing cross references to these numbers
Special Offer
90133315300/1
Product Information
Product Information
Spring plate covers normally rust, replacing them will give you a better ride.

Fits:
Porsche 911 1965-89
Porsche 930 1975-77

Diagram Ref No. 29

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

90133315300
90133315300

The product you are viewing cross references to these numbers
Special Offer
90133300309/2
Product Information
Product Information
Adjustable rear spring plate.
2 Required per car. Price is EACH

Fits:
Porsche 911 1969 to 1986

Replace the rusty, worn, rear spring plates with this new, adjustable item.
Spring plates and bushes are designed for standard road use

Diagram Ref No. 16

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

90133300309
90133300301
90133300900
90133300309
91133300900
91133300905

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DISPLAYING 1 to 16 (of 41 products)
1 2 3
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About Spring Plate

Porsche Spring Plates | Design911 Suspension Components for Ride Height, Alignment & Stability

Spring plates are a critical part of your Porsche’s rear suspension system, connecting the torsion bars to the trailing arms and helping manage suspension travel and ride height. They act as pivot points that absorb energy during acceleration, braking, and cornering — ensuring smooth movement and maintaining chassis balance. Properly functioning spring plates preserve suspension geometry, enhance grip, and provide the responsive handling Porsche is known for.

At Design911, we supply a complete range of spring plates and components, engineered for precision, strength, and long-lasting performance. Manufactured from high-quality steel or performance-grade alloys, our spring plates deliver exact fitment and reliable operation under all driving conditions. Ideal for servicing, classic restorations, or performance tuning, they help maintain stability, comfort, and control across your Porsche’s suspension system.

What Do Spring Plates Do?

Spring plates play a vital role in controlling the movement and alignment of the rear suspension, ensuring even weight distribution and consistent handling.

Core Functions:
• Connect torsion bars to trailing arms for proper suspension movement.
• Regulate ride height and suspension travel.
• Maintain consistent rear wheel alignment under load.
• Absorb road impact to enhance ride comfort and grip.
• Provide smooth suspension articulation for balanced handling.

In perfect condition, spring plates ensure your Porsche remains stable, comfortable, and responsive — on both the road and track.

Why Do Spring Plates Fail or Degrade?

Due to constant movement, load stress, and environmental exposure, spring plates are subject to wear and corrosion over time.

Common Causes of Failure Include:
• Corrosion or rust weakening the plate material.
• Worn bushes or mounts causing excess play and vibration.
• Fatigue cracks from continuous torsional stress.
• Impact damage from potholes or aggressive driving.
• Incorrect alignment or ride height adjustments.

When spring plates fail, you may notice uneven ride height, poor alignment, or rear-end instability — clear signs that replacement is needed to restore balance and safety.

Why Replace or Upgrade Your Porsche Spring Plates?

Replacing worn or damaged spring plates restores suspension geometry, alignment accuracy, and overall handling performance. Upgraded plates offer improved adjustability and durability — ideal for performance builds or track preparation.

Key Benefits:
• Restores correct suspension geometry and rear alignment.
• Improves ride height consistency and handling stability.
• Reduces vibration, noise, and rear-end movement.
• Available in adjustable or fixed designs for various Porsche models.
• Fits Porsche 911, 912, 914, 944, and classic air-cooled models.
• Perfect for restoration, servicing, or motorsport applications.

Design911’s Porsche spring plates combine precision engineering and long-lasting performance — ensuring your Porsche handles with the strength and stability it was designed for.

Highlights

• Premium Porsche spring plates and related suspension components.
• High-strength steel or performance alloy construction.
• Restores alignment, ride height, and suspension balance.
• Available in adjustable and performance variants.
• Suitable for both classic and modern Porsche models.
• Perfect for servicing, performance tuning, or full restoration projects.

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