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Product Details
| Part Number: | SO-D16-1 |
| Brand: | Synchrotech |
The Synchrotech SO-D16-1 1st/2nd gear sleeve is a premium replacement slider sleeve engineered for Honda D16 D-series manual transmissions. Designed to restore crisp gear engagement and improve transmission reliability, this hardened sleeve is ideal for worn synchro repairs, complete transmission rebuilds, and performance-oriented street applications.
Precision-machined for accurate fitment and long-lasting durability, the SO-D16-1 helps eliminate shifting issues, reduce gear clash, and maintain smooth operation under aggressive driving conditions.
Key Features
- Direct Replacement 1st/2nd Gear Sleeve – Designed for compatible Honda D16 D-series manual transmissions
- Hardened Steel Construction – Improved durability and wear resistance over worn OEM components
- Restores Smooth Shifting – Helps eliminate worn slider engagement and grinding issues
- Ideal for Transmission Rebuilds – Recommended during synchro, gear, and bearing service
- Precision Machined – Ensures accurate fitment and dependable operation
- Improved Shift Feel – Supports crisp, consistent engagement under load
- OEM-Style Fitment – Direct installation into compatible D-series transmission assemblies
- Built for Street & Performance Use – Handles aggressive driving and repeated shifting demands
Vehicle Fitment
- Compatible with select Honda D16 D-series manual transmissions
- Commonly used in Civic and Del Sol D-series transmission rebuild applications
WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. www.P65Warnings.ca.gov.
Vehicle Fitment
| Year | Make | Model | Trim |
|---|---|---|---|
| 1988 | Honda | Civic | Base |
| 1988 | Honda | Civic | DX |
| 1988 | Honda | Civic | LX |
| 1988 | Honda | Civic | RT 4WD |
| 1988 | Honda | Civic | Wagovan |
| 1989 | Honda | Civic | Base |
| 1989 | Honda | Civic | DX |
| 1989 | Honda | Civic | LX |
| 1989 | Honda | Civic | RT 4WD |
| 1989 | Honda | Civic | Si |
| 1989 | Honda | Civic | Wagovan |
| 1990 | Honda | Civic | Base |
| 1990 | Honda | Civic | DX |
| 1990 | Honda | Civic | EX |
| 1990 | Honda | Civic | LX |
| 1990 | Honda | Civic | RT 4WD |
| 1990 | Honda | Civic | Si |
| 1991 | Honda | Civic | Base |
| 1991 | Honda | Civic | DX |
| 1991 | Honda | Civic | EX |
| 1991 | Honda | Civic | LX |
| 1991 | Honda | Civic | RT 4WD |
| 1991 | Honda | Civic | Si |
| 1992 | Honda | Civic | CX |
| 1992 | Honda | Civic | DX |
| 1992 | Honda | Civic | EX |
| 1992 | Honda | Civic | LX |
| 1992 | Honda | Civic | Si |
| 1992 | Honda | Civic | VX |
| 1993 | Honda | Civic del Sol | S |
| 1993 | Honda | Civic del Sol | Si |
| 1993 | Honda | Civic | CX |
| 1993 | Honda | Civic | DX |
| 1993 | Honda | Civic | EX |
| 1993 | Honda | Civic | LX |
| 1993 | Honda | Civic | Si |
| 1993 | Honda | Civic | VX |
| 1994 | Honda | Civic del Sol | S |
| 1994 | Honda | Civic del Sol | Si |
| 1994 | Honda | Civic | CX |
| 1994 | Honda | Civic | DX |
| 1994 | Honda | Civic | EX |
| 1994 | Honda | Civic | LX |
| 1994 | Honda | Civic | Si |
| 1994 | Honda | Civic | VX |
| 1995 | Honda | Civic del Sol | S |
| 1995 | Honda | Civic del Sol | Si |
| 1995 | Honda | Civic | CX |
| 1995 | Honda | Civic | DX |
| 1995 | Honda | Civic | EX |
| 1995 | Honda | Civic | LX |
| 1995 | Honda | Civic | Si |
| 1995 | Honda | Civic | VX |
| 1996 | Honda | Civic del Sol | S |
| 1996 | Honda | Civic del Sol | Si |
| 1996 | Honda | Civic | CX |
| 1996 | Honda | Civic | DX |
| 1996 | Honda | Civic | EX |
| 1996 | Honda | Civic | HX |
| 1996 | Honda | Civic | LX |
| 1997 | Honda | Civic del Sol | S |
| 1997 | Honda | Civic del Sol | Si |
| 1997 | Honda | Civic | CX |
| 1997 | Honda | Civic | DX |
| 1997 | Honda | Civic | EX |
| 1997 | Honda | Civic | HX |
| 1997 | Honda | Civic | LX |
| 1998 | Honda | Civic | CX |
| 1998 | Honda | Civic | DX |
| 1998 | Honda | Civic | EX |
| 1998 | Honda | Civic | GX |
| 1998 | Honda | Civic | HX |
| 1998 | Honda | Civic | LX |
| 1999 | Honda | Civic | CX |
| 1999 | Honda | Civic | DX |
| 1999 | Honda | Civic | EX |
| 1999 | Honda | Civic | GX |
| 1999 | Honda | Civic | HX |
| 1999 | Honda | Civic | LX |
| 1999 | Honda | Civic | Value Package |
| 2000 | Honda | Civic | CX |
| 2000 | Honda | Civic | DX |
| 2000 | Honda | Civic | EX |
| 2000 | Honda | Civic | GX |
| 2000 | Honda | Civic | HX |
| 2000 | Honda | Civic | LX |
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