Feuling 18mm to 12mm O2 Sensor Bung Adapter Kit
Universal Motorcycle Exhaust Header Applications
The essential adapter kit for adapting modern 12mm factory lambda sensors into large 18mm dyno sensor bungs without exhaust gas leakage.
Includes currency-adjusted exchange rate, South African customs clearance, and insured door-to-door courier dispatch from Cape Town.
Engineering & Performance Characteristics
Low-profile outer hex head allows easy wrench tightening in tight spaces between exhaust headers and engine case fins.
Engineered Highlights & Performance Gains
- Allows factory 12mm oxygen sensors to screw directly into 18mm aftermarket exhaust bungs
- Includes high-temperature copper crush sealing washers to prevent exhaust leaks
- Machined from 304 stainless steel to prevent rust and thread galling
- Essential hardware when installing aftermarket race pipes on late-model motorcycles
Technical Specifications
- Brand & Origin
- Feuling Parts
- Product SKU / MPN
- FEU-9908 / 9908
- System Architecture
- Exhaust Sensor Adapter Hardware
- Material Construction
- Precision CNC Machined 304 Stainless Steel
- Surface Finish
- Raw Stainless Finish with Copper Crush Washers
- Sound Profile
- Not Applicable - Sensor Hardware
- ECU Tuning Status
- Factory Fuel Map Compatible
- Tuning Guidance
- Enables installation of 12mm narrow-band sensors into 18mm wideband ports.
- Manufacturer Warranty
- 1-Year Limited Manufacturer Warranty
- Availability & Dispatch
- In Stock (Cape Town stock, 1-3 business days delivery)
Included in Box
- Pair of 18mm to 12mm Thread Adapters
- Copper Crush Washers
- Thread Anti-Seize Compound
Verified Fitment List
Confirmed compatible models for Feuling 18mm to 12mm O2 Sensor Bung Adapter Kit. Roxstar verifies model, year, and frame clearances prior to dispatch.
Not sure if your specific model year, engine size, or aftermarket luggage brackets are compatible? Our Cape Town technicians confirm all dimensions before taking payment.
Submit your bike specs for verification →South African Courier Logistics
All orders are dispatched from our Cape Town hub via fully trackable courier services. We deliver directly to private residences, commercial addresses, or designated motorcycle performance workshops.
About Feuling Parts
Explore the full range of performance exhaust systems, tuning accessories, and precision engineered components from Feuling Parts.
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Feuling 18mm to 12mm O2 Sensor Bung Adapter Kit FAQs
Clear, evidence-backed answers regarding motorcycle exhaust fitment and supply.
How do I request fitment verification and pricing for Feuling 18mm to 12mm O2 Sensor Bung Adapter Kit?
Does this Feuling Parts system require ECU re-tuning?
What is the delivery timeline for delivery within South Africa?
What warranty coverage applies to FEU-9908?
Technical & Category Guides
- Feuling Parts Brand ShowcaseExplore all performance products and engineering heritage from Feuling Parts.
- Performance Products CatalogBrowse all 220+ performance exhausts, headers, and tuning upgrades.
- Fitment Confirmation GuideLearn how we verify motorcycle year, model, and sensor bung specs.
- Exhaust Tuning & Fuel MappingECU tuning, fuel management, and air-fuel ratio advisory.
Enquire on Feuling 18mm to 12mm O2 Sensor Bung Adapter Kit
Provide your motorcycle make, model, year, and displacement for direct fitment confirmation and an official written quote.