Seat adjustment knob, Black, Left and Right. Porsche 911 / 930 / 924 / 944 / 928  ›  91152138102

OE Match seat adjustment knob, the black backrest control includes its cover and suits Left and Right positions.

Fits

Porsche 911 1974-86
Porsche 930 1978-1979
Porsche 924 1977-1982, 1987-1988
Porsche 944 1983-1991
Porsche 928 1978-1991, 1993-1995


Check fitment for your specific vehicle (model, year, engine) before ordering.

Diagram ref no: 13-14

What This Product Does

This rotary control operates the seat's backrest adjustment mechanism. It provides the hand-operated interface for changing the backrest angle; the included cover completes the knob assembly.

Functions

• Provides manual control of backrest adjustment.
• Replaces the existing adjustment knob and cover.
  
  

Technical Details

• Part reference: 91152138102.
• Colour: Black.
• Position: Left and Right.
• Contents: adjustment wheel and cover.
• Related shifting-wheel reference in the supplied diagrams: 91152138100.
• Diagram quantity: 2 at the listed positions; this is an assembly requirement, not a stated pack quantity.
  
  

Symptoms of Fault

A broken adjustment control or detached cover warrants inspection. Difficulty reclining the seat may also involve the underlying mechanism rather than the knob alone.

Why Replacement Matters

Renewing a damaged knob addresses the external control without necessarily replacing the complete seat. Check the adjuster and its mounting points first, as a replacement knob will not correct wear elsewhere in the mechanism.

FAQs

Can an individual seat component be renewed?
Yes, suitable replacement controls and mechanisms can allow a localised repair. Confirm which component is damaged before dismantling.

What should be checked before fitting?
Compare the original reference, seat equipment and model-year details, then inspect the surrounding mechanism and fixings.