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Gearbox Service Parts

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DISPLAYING 33 to 35 (of 35 products)
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90021900701/1
Product Information
Product Information
Tiptronic Gearbox Oil Drain Plug.

Maintain a secure, leak-free transmission sump with this OE Match Tiptronic Gearbox Oil Drain Plug, designed for compatible Porsche Tiptronic automatic transmission applications.

Fits:
  • Porsche 997 MK1 Carrera 2 3.6L 2005-08 (Tiptronic Transmission)
  • Porsche 997 MK1 Carrera 2S 3.8L 2005-08 (Tiptronic Transmission)
  • Porsche 997 MK1 Carrera 4 3.6L 2005-08 (Tiptronic Transmission)
  • Porsche 997 MK1 Carrera 4S 3.8L 2005-08 (Tiptronic Transmission)
  • Porsche 997 MK1 TURBO 2007-09 (Tiptronic Transmission)

Diagram Ref No 5

The gearbox oil drain plug provides the removable sealing point used when draining transmission fluid during servicing. Once installed and correctly tightened, it must maintain a reliable seal and prevent automatic transmission fluid from escaping from the gearbox.

Although simple in design, the drain plug performs an important role. Automatic transmissions depend on maintaining the correct quantity of specified transmission fluid for lubrication, cooling and hydraulic operation. A damaged plug, worn threads or compromised sealing surface can cause fluid seepage and, if ignored, potentially reduce the gearbox oil level.

Drain plugs can deteriorate through repeated removal, overtightening, damaged threads, corrosion or incorrect tools. Replacing a questionable plug during transmission servicing with the correct OE Match Tiptronic Gearbox Oil Drain Plug helps provide a dependable seal and reduces the risk of future leakage.

What This Product Does:

  • Seals the transmission oil drain opening.
  • Prevents transmission fluid from escaping during normal operation.
  • Allows gearbox oil to be drained during servicing.
  • Helps maintain the correct transmission fluid quantity.
  • Supports a clean, leak-free gearbox installation.
  • Helps protect the transmission from fluid loss.
  • Provides a secure closure after transmission servicing.
  • Replaces a damaged, worn or corroded drain plug.
  • Helps prevent leakage caused by damaged drain-plug hardware.
  • Provides an OE Match replacement for compatible Porsche Tiptronic applications. 

Symptoms Of Wear Or Failure:
  • Transmission fluid leaking around the drain plug.
  • Wetness around the gearbox drain point.
  • Oil droplets beneath the transmission.
  • Transmission fluid level falling.
  • Visible damage to the drain plug.
  • Rounded or damaged tool engagement surfaces.
  • Damaged threads.
  • Corroded drain plug.
  • Plug difficult to remove.
  • Plug difficult to tighten correctly.
  • Leakage following a gearbox oil service.
  • Damaged or distorted sealing surface.
  • Evidence that the plug has previously been overtightened.
  • Plug repeatedly working loose.
  • Sealing washer or seal damage where applicable.  

Why Replacement Matters:
  • An automatic transmission relies on maintaining the correct fluid level.
  • A leaking drain plug can gradually allow transmission fluid to escape.
  • If the fluid level falls sufficiently, gearbox operation may be affected and internal components may experience inadequate lubrication or hydraulic pressure.
  • Replacing a damaged OE Match Drain Plug helps restore a secure sealing point and protects against avoidable transmission-fluid loss.



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

90021900701
90021900701
90021900702

The product you are viewing cross references to these numbers
0140192800
Product Information
Product Information
Tiptronic Transmission oil ATF III-H Plus - 1L

Capacity: 1 Litre

OE Porsche number: 00004330543

Specification:
ATF III-H Plus
ATF 4134

Manufacturer Release: MB 236.14

Transmission Type:
W7C 1000
W7C 700
722.6<
K7C 1000
W7B 700
W7N 700
W7X 700
W5A 330
W5A 380
722.9
W5A 580
W5A 900
7-Speed Automatic Transmission
5-Speed Automatic Transmission

Colour:
Red

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

0140192800
00004330543
0140192800

The product you are viewing cross references to these numbers
Special Order item
90012306220
Product Information
Product Information
Transmission sump pan drain/fill Plug seal ring. Porsche 996.2 / 997 (10.4x14.7x0.8)

porsche

Fits:
Porsche 996.2 Tiptronic
Porsche 997 Tiptronic

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

90012306220
90012306220

The product you are viewing cross references to these numbers
DISPLAYING 33 to 35 (of 35 products)
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About Gearbox Service Parts
Porsche Gearbox Service Parts

At Design911, we supply a wide range of gearbox service parts for Porsche models, helping you maintain smooth, precise gear changes and keep your transmission performing as it should.

Why do Porsche Gearbox Service Parts matter?

Gearbox service parts directly affect how cleanly and consistently your Porsche selects gears in everyday driving and under load. Over time, internal components, seals and gaskets can wear, harden or degrade, leading to notchy shifts, leaks and increased internal wear. Replacing tired or damaged parts helps your Porsche feel better cared for and can prevent small issues turning into expensive transmission repairs later on.

  • Keep your Porsche looking smart rather than tired or neglected
  • Help protect the surrounding area from dirt and corrosion where relevant
  • Reduce minor niggles such as looseness, rattles or mismatched parts
  • Support long-term enjoyment, pride of ownership and potential resale value
Common options & kits

Individual replacement parts 

Specific items to address a particular area or issue without changing everything at once.

  • Ideal for targeted repairs
  • Lets you replace only what is needed
  • Helps keep initial costs under control

Matched sets or pairs 

Components supplied together so both sides or related items are renewed at the same time.

  • Consistent feel and performance
  • Helps avoid uneven wear or behaviour
  • A sensible choice for routine maintenance

Complete kits 

Grouped parts designed to refresh a whole system or area in one go, useful for upgrades and restorations.

  • Everything specified in a single package
  • Saves time compared with sourcing parts individually
  • Ideal when upgrading or restoring your Porsche
Brands & quality options

At Design911, we stock genuine Porsche parts where available, plus OEM-equivalent and carefully selected aftermarket brands. This lets you choose between keeping things original, adding subtle upgrades or managing budgets on everyday maintenance.

9products 

We are the source of high quality and unique Porsche performance parts for both club and professional racing.

Castrol 

Castrol is a long-established lubricant specialist with a strong background in high-performance and motorsport applications. Their products are widely used to support reliable lubrication and protection in demanding gearbox and drivetrain use.

Kits 

Design911 offers an extensive selection of package deals for Porsche parts, providing an ideal solution for Porsche enthusiasts looking to upgrade, maintain, or personalise their models. These packages group complementary components to help ensure compatibility and convenience.

Mahle 

Mahle supplies a wide range of Porsche-related powertrain components, focusing on engine and drivetrain systems, filtration and thermal management. Their products are widely used in the automotive industry and are known for consistent specification and compatibility.

Meyle 

Meyle produces a broad portfolio of aftermarket components and is represented in Porsche workshops worldwide. Their range is aimed at dependable fitment and everyday reliability when servicing and maintaining Porsche models.

When should you review or replace your Porsche gearbox service parts?

Checking gearbox service parts regularly helps you spot wear, damage or age-related deterioration before it affects comfort, refinement or leads to more expensive repairs later on.

  • Existing parts are worn, cracked, scuffed, faded, corroded or missing
  • You notice looseness, vibration or an untidy appearance around the area they sit in
  • You have had related work carried out and want everything to look and feel consistent
  • You want the car to feel smarter and better cared for in daily use or before resale

If any of these apply, it is a good time to review your gearbox service parts and replace anything that is past its best, so your Porsche stays dependable and enjoyable to drive.

Explore Porsche gearbox service parts with Design911

Browse gearbox service parts for Porsche models at Design911 — from individual parts to complete kits — and find options to suit everyday maintenance, upgrades and full projects.

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