Wärtsilä 121 1001 Half Valve Key
Wärtsilä 121 1001 half valve key provides secure valve-spring retainer locking within compatible Wärtsilä 9L26 marine diesel engine exhaust valve assemblies.
| Product Code | 121 1001 |
| Brand | Wärtsilä |
| Category | Wärtsilä 26 Spare Parts |
| Condition | New |
| Availability | In stock |
| Price | Price on request |
Description
Wärtsilä 121 1001 is listed as HALF VALVE KEY in the supplied Wärtsilä 9L26 main-engine parts documentation. The key locks the spring retainer to the valve stem and transfers the spring load securely through the valve assembly during repeated engine cycles. Correct key profile, material, stem-groove geometry and retainer matching are essential for safe operation. The source specifies 36 pieces per engine and 72 pieces for two engines. Verify mating valve and spring-retainer configuration before installation.
Technical Details
Part Number: 121 1001
Brand: Wärtsilä
Part Type: Half Valve Key
Engine Type: Wärtsilä 9L26
System: Exhaust Valve Assembly
Function: Valve Spring Retainer Locking
Quantity Per Engine: 36
Quantity For Two Engines: 72
Profile / Material: Wärtsilä Documentation Verification Required
Condition: New
Stock Status: In Stock
Compatible Systems
Wärtsilä 9L26 marine diesel engine exhaust valve assemblies where half valve key 121 1001 is specified.