Product Overview
The A-6156 Transmission Synchronizer Assembly is supplied as a new independent aftermarket replacement for professional transmission repair. This 3rd/4th synchronizer assembly is suited to focused repair of the mid-range shift mechanism in compatible FS-5306A transmissions. Reference part number A-6156 is provided to support part-to-part comparison, not as a substitute for application verification.
It helps synchronize rotational speed across the engaging components so 3rd and 4th gear changes can occur cleanly. The specified position is 3rd / 4th, with Tooth Count: 60. These details should be checked against the removed component and the transmission build information before purchase.
Key Features
- New independent aftermarket replacement for transmission rebuilding.
- Application-specific 3rd/4th layout with a 60-tooth reference configuration.
- Reference part number A-6156 supports accurate cross-checking.
- Professional installation and inspection of mating components are recommended.
Product Specifications
| Reference Part Number | A-6156 |
|---|---|
| Product Type | Transmission Synchronizer Assembly |
| Condition | New |
| Replacement Type | Independent Aftermarket Replacement |
| Component Position | 3rd / 4th |
| Tooth Count | 60 |
| Transmission Application Reference | FS-5306A |
Application and Ordering
Confirm the FS-5306A application and inspect the old 3rd/4th assembly. Tooth count, spline profile, sleeve features, hub width, and overall dimensions should agree before the replacement is installed. Application lists can include variations by build date, ratio, housing, or internal configuration. If any detail differs, request a dimensional check before ordering. Installation should be performed by a qualified transmission technician, with mating parts, bearings, lubrication paths, and adjustment settings inspected during assembly.
Frequently Asked Questions
Is A-6156 a genuine branded part?
No. This is an independent aftermarket replacement compatible with selected Eaton / Fuller applications. These names and reference numbers are used solely for identification and compatibility comparison; no affiliation, authorization, sponsorship, or endorsement is claimed.
What should be checked before ordering A-6156?
Confirm the exact transmission model and compare the reference number, component position, tooth count, dimensions, spline or tooth details, and physical configuration with the removed part.
Is A-6156 intended for every synchronizer position?
No. It is identified for the 3rd/4th position, so the transmission model and installed location must both be verified.
Compatibility and IP Notice
All third-party brand names, model designations, logos, and part numbers are the property of their respective owners. They are used solely for identification and compatibility reference. This independently supplied aftermarket replacement is not an OEM or genuine branded product and is not manufactured, authorized, licensed, sponsored, affiliated with, or endorsed by any referenced trademark owner.
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