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

3785597 GM H052 / HO52 GEAR SET 4.57 RATIO – New Aftermarket (NOS)

Product Summary:
New aftermarket gear set for GM H052 / HO52 differentials, part number 3785597. This 4.57 ratio gear set includes a 32-tooth ring gear and 7-tooth pinion. Designed for GM trucks built between 1949 and 1972. This is a new old stock (NOS) item — unused and in original condition, though it may show minor signs of long-term storage.

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), Aftermarket
• Manufacturer: Aftermarket
• 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 may show the actual item or a representative equivalent. 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 Ohio.

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Customer Feedback

"Well preserved gear, great packing, fast shipping, A++"