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Heating and Cooling› Water Pumps

OER

5-7/8 Inch Deep Single Groove Water Pump Pulley

$96.32 $60.55 Save $35.77

SKU: 3947824

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Overview

The OER 3947824 is a deep, single-groove water pump pulley designed for 1969 Camaros. This pulley is a correct fit for big block 396 or 427 engines that utilize long water pumps. It is stamped with the factory GM part number 3947824 and BV code, replicating original components. The pulley measures approximately 5 and 7/8 inches in diameter.
Show original supplier description
The OER 3947824 is a deep, single-groove water pump pulley engineered as a direct-fit replacement for the 1969 Camaro. Designed to precisely match original specifications, this pulley ensures compatibility with big block 396 or 427 engines equipped with the correct style of long water pumps. Each pulley is stamped with the authentic GM part number 3947824 and BV code, mirroring the factory appearance. Featuring an exact fit and finish, this pulley boasts a diameter of approximately 5 and 7/8 inches. Its single-groove design is crucial for proper belt alignment and function within the engine's accessory drive system. The pulley's construction is focused on replicating the correct size, shape, and details of the original equipment manufacturer (OEM) part. Due to modifications that may have occurred over the years, it is recommended to verify that your vehicle is equipped with the correct long water pump to ensure a smooth and hassle-free installation.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandOER
Part Number3947824
CategoryHeating and Cooling
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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