Product Overview
The A-6154 Transmission Synchronizer Assembly is supplied as a new independent aftermarket replacement for professional transmission repair. Built for the 1st/reverse shift location, this assembly is intended to replace a worn synchronizer unit during a transmission rebuild. Reference part number A-6154 is provided to support part-to-part comparison, not as a substitute for application verification.
Its working surfaces help coordinate the rotating parts involved in low-speed and reverse selection before engagement. The specified position is 1st / Reverse, 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.
- 1st/reverse position and 60-tooth configuration provide clear identification points.
- Reference part number A-6154 supports accurate cross-checking.
- Professional installation and inspection of mating components are recommended.
Product Specifications
| Reference Part Number | A-6154 |
|---|---|
| Product Type | Transmission Synchronizer Assembly |
| Condition | New |
| Replacement Type | Independent Aftermarket Replacement |
| Component Position | 1st / Reverse |
| Tooth Count | 60 |
| Transmission Application Reference | FS-6305A / FS-6305B |
Application and Ordering
Verify the transmission designation and confirm that the removed synchronizer is the 1st/reverse unit with 60 teeth. Compare sleeve grooves, hub dimensions, internal splines, and overall construction rather than relying on the reference number alone. 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-6154 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-6154?
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.
Where is A-6154 used inside the transmission?
It is used at the 1st/reverse synchronizer position, where it supports controlled engagement of the corresponding gear selections.
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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