190-6126 Prelubrication Pump is an electrically driven lubrication oil pump designed for the engine prelubrication system of Caterpillar heavy-duty trucks. It features a 13.5-inch overall length, 5.1-inch outside diameter, -10 O-ring Boss inlet and -8 O-ring Boss outlet. Caterpillar officially lists the part for CAT 785C and 785D, making it a suitable replacement component for engine prelubrication system maintenance.
The 190-6126 Prelubrication Pump is an engine lubrication component equipped with an electric drive motor. It is designed to circulate lubrication oil through the engine prelubrication system before engine operation, helping establish oil circulation and lubrication during the starting process. Caterpillar specifies a -10 O-ring Boss inlet with a 7/8-14 UN thread and a -8 O-ring Boss outlet with a 3/4-16 UN thread.
With an overall length of 13.5 inches and an outside diameter of 5.1 inches, the pump is designed for Caterpillar heavy-duty truck applications. Its dedicated prelubrication function makes it an important component for engine maintenance and reliable starting performance.
Key Benefits
Electric-drive prelubrication pump design
Supports engine oil circulation before startup
Helps provide initial engine lubrication
-10 O-ring Boss inlet
-8 O-ring Boss outlet
13.5 in overall length
5.1 in outside diameter
Suitable for CAT 785C and 785D
Designed for demanding heavy-duty truck applications
Compatible Machine
The 190-6126 Prelubrication Pump is officially listed for:
CAT 785C
CAT 785D
CAT 785
Caterpillar’s catalog also lists 190-6126 under certain off-highway truck applications. Actual compatibility may depend on machine configuration and serial number, so verification is recommended before ordering.
Applications
Mining
Quarry
Construction
Heavy Earthmoving
Large Infrastructure Projects
The 190-6126 is particularly suitable for heavy-duty mining and off-highway trucks where dependable engine lubrication and reliable starting are important.
Why Choose YLCM?
20+ Years Experience – Extensive experience in construction and mining machinery parts.
Large Warehouse – Wide range of engine, hydraulic, electrical and drivetrain components.
Fast Delivery – Efficient order processing for urgent maintenance requirements.
Genuine & OEM Parts – Genuine, OEM and quality replacement solutions available.
Export to 60+ Countries – Reliable parts supply for customers worldwide.
Professional Technical Support – Support with part identification and compatibility verification.
Packaging
YLCM uses professional export packaging to protect the prelubrication pump during transportation and storage.
Standard export carton
Heavy-duty wooden case or crate when required
Shockproof internal protection
Moisture-proof protection
Rust-proof protection
Secure fixation to prevent movement during transportation
Packaging can be selected according to product dimensions, quantity and destination.
Shipping
YLCM provides flexible international transportation solutions:
Sea Freight
Railway Transportation
Land Transportation
Multimodal Logistics Solutions
The suitable transportation method can be arranged according to destination, order quantity, delivery schedule and cargo requirements.
FAQ
Q1: What is 190-6126? A: 190-6126 is a Caterpillar Prelubrication Pump used in the engine prelubrication system.
Q2: What does the 190-6126 pump do? A: It is a lubrication oil pump with an electric drive motor designed to support the engine’s prelubrication system.
Q3: Which machines use 190-6126? A: Caterpillar officially lists CAT 785C, 785D and 785 as compatible applications.
Q4: What are the dimensions of 190-6126? A: Caterpillar specifies an overall length of 13.5 inches and an outside diameter of 5.1 inches.
Q5: What is the inlet connection? A: The inlet is a -10 O-ring Boss connection with a 7/8-14 UN thread.
Q6: What is the outlet connection? A: The outlet is a -8 O-ring Boss connection with a 3/4-16 UN thread.
Q7: Can YLCM verify compatibility before ordering? A: Yes. Provide the part number, machine model, serial number and quantity, and YLCM can assist with compatibility verification.
Q8: How can I request a quotation? A: Send us the part number, machine model, quantity and destination. We can check availability, price, lead time, packaging and shipping options.
Request a Quote
Looking for 190-6126 Prelubrication Pump for CAT 785C or 785D? Contact YLCM for the latest quotation and availability.
Please provide:
Part Number: 190-6126
Machine Model
Serial Number
Required Quantity
Destination
YLCM can assist with compatibility verification, quotation, lead time, export packaging and international logistics.