PDM (TSK3) Transmission Sleeve Kit - Subaru

PDM Transmission Sleeve Kit (TSK3) for Subaru

Manufacturer: Subaru
Original OEM Part Number: 30502AA121
Supersessions: 30502AA100 / 30502AA110
PDMUSA Part Number: TSK3
Replacement Bearing: TSK3-B (sold separately)
Transmission Type: 6-Speed Manual (Push-Type Clutch)

✅ Vehicle Compatibility & Chassis Codes

🌎 U.S. Market

🌍 Global Market

📌 Note: Confirm transmission type and bearing surface before ordering. Applicable only to push-type clutch systems.

💪 What’s in the Kit?

• CNC-machined stainless steel sleeve

• Oversized clutch release bearing (sleeve-specific)

• Bearing clip

• Hardware

• High-temp specialty grease

• Detailed installation instructions

⚠️ Important: The included bearing clip must be used. Omission will void the warranty and may result in premature failure.

🔧 Symptoms Fixed by the TSK3 Kit

• Clutch chatter or shudder

• Excessive noise during clutch operation

• Sticky or stiff clutch pedal

• Rough or inconsistent pedal feel

• Bearing drag or vibration

• Premature wear or failure of clutch components

⚠️ The Problem with OEM Design

Subaru’s original aluminum bearing sleeve design in 6-speed platforms is prone to wear and fatigue under high torque, resulting in:

• Clutch misalignment

• Vibration and noise

• Repeated service intervals

✅ The TSK3 Kit Advantage

The TSK3 is engineered to handle aggressive use:

• 🛡️ Reinforces critical wear surfaces with a stainless steel sleeve

• ❌ Prevents future damage to the transmission case

• 🔧 No machining or case modifications required

• ⏳ Improves longevity of the entire clutch system

• ♻️ Fully reversible for service or upgrades

🌍 Trusted Across Global Markets

Relied on by Subaru enthusiasts, rally teams, and performance tuners around the world.

🔍 Alternate Listings (Search & Compatibility)

30502AA121 / 30502AA100 / 30502AA110
TSK3 Clutch Sleeve Kit
Subaru STI Clutch Snout Repair
6MT Throw-Out Bearing Fix
Subaru 6-Speed Transmission Sleeve
Subaru Performance Clutch Upgrade