Skip to product information
Usually ships in 2–4 business days.
Oil Dipstick 3933364 3905791 For Cummins Engine GSB3.9 C8.3G 4B3.9 6B5.9
$33.99
Sale price
$33.99
Regular price
Available to Order
This engine oil dipstick is a high-quality aftermarket replacement for compatible Cummins engines that provides a clear reference for checking engine-oil level.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Product Overview
A missing, bent, broken, or incorrectly marked dipstick makes it difficult to maintain the correct oil level. This replacement restores a convenient way to check lubrication before operation and service.
This part matches reference numbers 3933364 and 3905791. Compare the original component’s part number, total length, handle style, tube fit, and level-mark location before ordering.
Key Features & Performance
- Restores engine-oil level checking
- Replaces a missing or damaged dipstick
- Marked for the compatible engine application
- Simple maintenance replacement
Fitment & Compatibility
Compatible with select Cummins Engine GSB3.9 C8.3G 4B3.9 6B5.9 applications. Serial-number breaks, production changes, or equipment options may affect the required part.
Technical Specifications
- Product Type: Engine Oil Dipstick
- Compatible Brand: Cummins
- Part Number(s): 3933364, 3905791
Frequently Asked Questions
Q: Can a dipstick with the same length but different markings be used? A: Not safely. The tube depth and level marks must match the engine application to provide an accurate oil reading.
Q: Is this an original OEM part? A: This is a high-quality aftermarket replacement and is not supplied by the original equipment manufacturer.
Compatibility may vary by serial number, production date, or equipment configuration. Verify fitment before purchase.