Skip to product information
Usually ships in 2–4 business days.
Oil Gauge Dipstick 3963443 3974757 For Cummins Engine QSL9 QSB L9 ISB ISC
$135.59
Sale price
$135.59
Regular price
Available to Order
This Oil Gauge Dipstick is a high-quality aftermarket replacement part compatible with Cummins Engine QSL9, QSB, L9, ISB, ISC and matches OEM Part# 3963443, 3974757.
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
This engine oil gauge dipstick provides reliable and accurate oil level monitoring for a wide range of Cummins diesel engines. It is essential for maintaining proper lubrication and ensuring the longevity of industrial and automotive powerplants.
Key Features & Performance
- Heat Resistance: Constructed with high-grade materials to withstand extreme engine temperatures.
- Precision Indicators: Features clear markings for accurate fluid level readings during routine maintenance.
- Corrosion Resistance: Engineered to resist degradation from engine oil and environmental moisture.
- Direct Fit: Designed to match original equipment dimensions for a secure seal in the dipstick tube.
Fitment & Compatibility
- Cummins QSL9
- Cummins QSB
- Cummins L9
- Cummins ISB
- Cummins ISC
Technical Specifications
- Part Number(s): 3963443, 3974757
- Product Type: Oil Level Indicator / Dipstick
- Material: Flexible Steel with Polymer Handle
Frequently Asked Questions
Q: How do I ensure this dipstick is the correct length for my specific engine? A: Please verify that your current dipstick matches OEM part numbers 3963443 or 3974757, as length can vary by oil pan configuration.
Q: Does the dipstick handle include a seal? A: Yes, it is designed with an integrated seal to prevent oil from escaping the tube and to keep contaminants out of the crankcase.
Compatibility may vary by serial number. Verify fitment before purchase.