3785597 | GM H052 / HO52 Gear Set – 4.57 Ratio (1949–1972 Trucks, NOS)

3785597 GM H052 / HO52 Gear Set 4.57 Ratio – New Genuine (NOS)

Product Summary

New Genuine ring & pinion gear set 3785597 for GM H052 / HO52 differentials. 4.57 ratio (32/7 teeth). Fits 1949–1972 GM trucks. This is a new old stock (NOS) item — unused and in excellent condition. In stock and ready to ship from Mansfield, Ohio.

Specs & Features

• Part Number: 3785597
• Component: Gear Set (Ring & Pinion)
• Gear Ratio: 4.57
• Ring Gear: 32 Teeth – Part #3785597
• Pinion Gear: 7 Teeth – Part #3785559
• Condition: New Old Stock (NOS), Genuine
• Application: GM H052 / HO52 Differentials, 1949–1972 GM Trucks

What’s Included

• (1) Ring Gear — 3785597
• (1) Pinion Gear — 3785559
• No hardware included

Fitment Notes

• Will NOT fit HO72 / H072 differentials — this pinion does not have a snap ring groove at the pilot bearing
• Confirm compatibility with your GM differential model before purchase

Image Disclaimer

Images show the actual item. NOS parts may have minor cosmetic imperfections such as surface rust due to long-term storage.

Warranty Policy

This NOS product is sold as-is with no warranty expressed or implied.

Location

Ships from our warehouse in Mansfield, Ohio.

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