Universal 3D‑printed testing adapter for bench-testing multiple GM/Ford automatic transmissions. Compatible with 6T30, 6T35, 6T40, 6T45 (Gen 1 & 2), 6F35, 6HP19/21/26/26A/26X/28/32, 6R80W, and 6R75W.

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Recommended filament for this print
Product references matched to the published material guidance. Confirm diameter, heat resistance, colour, and printer compatibility.
| Referenced item | What to verify | Price & availability |
|---|---|---|
| PETG filamentAmazon · Affiliate link | Amazon product page for 1.75 mm PETG; confirm colour, spool size, print temperature, seller, and delivery region. | Check price at Amazon |
| ASA filamentAmazon · Affiliate link | Amazon product page for 1.75 mm ASA; use an enclosure and suitable ventilation, and confirm seller and regional availability. | Check price at Amazon |
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License & use
The file license permits commercial reuse, subject to any applicable attribution or share-alike terms. License status does not verify vehicle fitment, OEM rights, design patents, or safety.
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Michael ChenDescription
A single 3D‑printed adapter for bench-testing a wide range of automatic transmissions. Use it with your existing test rig or bench setup. Designed for use with Solenoid Tester This adapter works with the Solenoid Tester v5.3 — a professional bench for air-testing transmission solenoids. Visual graphs, reference curves for 6T40, 6F35, and others, no oil required. Ideal for garage or home use. 6T family (GM): 6T30, 6T35, 6T40, 6T45 — Gen 1 & Gen 2 6HP (ZF): 6HP19, 6HP21, 6HP26, 6HP26A, 6HP26X, 6HP28, 6HP32.
Compatible Vehicles
Originally published on thingiverse.com · License: CC BY
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