SL3601-SC – Superior Air Parts Ring Set (Single Cylinder, Nitride)
Available now on the Airparts.aero Marketplace.
Overview
The SL3601-SC Ring Set by Superior Air Parts Inc. is a nitride-coated piston ring set designed for single-cylinder applications in Lycoming aircraft engines. Engineered for durability, oil control, and optimal cylinder compression, this FAA-PMA certified component delivers enhanced performance and longevity in general aviation piston engine operations.
This ring set features precision-machined nitrided steel construction, providing excellent wear resistance, improved ring-to-wall sealing, and minimal blow-by during combustion. Ideal for both engine overhauls and cylinder service, the SL3601-SC supports cleaner engine operation, lower oil consumption, and maximum power retention over extended time-in-service cycles.
Key Features
- FAA-PMA Certified: Fully approved for use in certificated aircraft engines.
- Nitride Surface Treatment: Improves wear characteristics and cylinder wall sealing.
- Optimized for Lycoming Cylinders: Precision fitment for specific Lycoming single-cylinder applications.
- Three-Ring Set: Includes compression rings and oil control ring (application dependent).
- Reduced Blow-By: Maintains high compression and combustion efficiency.
- Superior Quality Assurance: Produced under strict tolerances to match OEM standards.
Technical Specifications
- Part Number: SL3601-SC
- Manufacturer: Superior Air Parts Inc.
- Type: Piston Ring Set (Single Cylinder)
- Material: Nitrided high-strength steel alloy
- Application: General aviation piston aircraft engines
- Cylinder Compatibility: Lycoming engines using specified bore and ring groove configurations
- Certification: FAA-PMA Approved
- Includes: Complete ring set for one cylinder (compression & oil control rings)
Aircraft Engine Compatibility
Commonly used with:
- Lycoming O-360, IO-360, and variants
- Experimental aircraft using Lycoming-style cylinders
- STC’d engine installations and certified overhauls
Confirm part compatibility using engine IPC or service documentation. Always consult a certified technician.
Applications
- Top Overhaul and Ring Replacement: Ideal for maintenance intervals or addressing low compression issues.
- Oil Consumption Reduction: Enhanced ring seating promotes efficient oil control.
- Cylinder Service: Matched replacement for worn, cracked, or damaged ring sets.
Why Choose the SL3601-SC Nitride Ring Set?
- Engineered for Performance: Provides consistent sealing and wear resistance over extended flight time.
- Made for Lycoming: Designed with Lycoming cylinder profiles and combustion dynamics in mind.
- Long Service Life: Nitride surface improves heat and friction resistance.
- Superior Air Parts Reliability: Trusted by mechanics and overhaul shops globally.
Order Your SL3601-SC Ring Set Today
Enhance your engine’s compression and performance with certified durability.
Order the SL3601-SC Nitride Ring Set from Airparts.aero today — enjoy expert support, rapid fulfillment, and trusted aviation-grade components.
The SL3601-SC Nitride Ring Set from Superior Air Parts is engineered to meet the rigorous demands of piston-powered general aviation engines. Whether installed during a top overhaul or complete engine rebuild, these rings offer superior sealing, wear resistance, and oil control across thousands of hours of operation. As a trusted source of FAA-approved parts, Airparts.aero delivers ring sets that support performance, reliability, and long engine life for Lycoming-powered aircraft.
Installation by certified technicians is required to preserve airworthiness. Ensure fitment using official engine documentation.
| Part in Set | Quantity | Part Description | OEM Part Number | FAA Eligibility |
| SL74241A | 2 Each | Piston Ring - 5.125(Compression) | 74241 | [ Click Here ] |
| SL73857A | 1 Each | Piston Ring - 5.125(Oil Control) | 72454 | [ Click Here ] |
AirParts stocks thousands of engine and engine overhaul parts. Cranks, cases, cams, cylinders, and more. Most available on exchange programs.
| Dimensions | |
|---|---|
| Weight | 0.35 lbs. |
| Google export features | |
|---|---|
| MPN | SL3601-SC |
| Specifications | |
|---|---|
| ATA Chapter | 71 ATA POWERPLANT |
| Available Conditions | NE, NS, AR, IN, SV |
| Country of origin | United States |
| ECCN / USML | 9A991(d) |
| FAA Approval Code | PMA |
| Schedule B | 8409.10.0042 |
| Type | Piston Ring |
| Units of Measure (UoM) | Set |
| Brand | Superior Air Parts |
| Condition status | NE - New |
