2009-2024 HEMI 5.7L / 6.2L / 6.4L Melling Oil Pump (M452HV)
Made in USA. Melling high volume oil pumps increase the amount of oil flow by an average of 12% through the engine improving oil pressure at idle providing dependable performance every time in every application. Every Melling high volume oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling high volume oil pumps use the latest in gear and gerotor technology to provide the highest level of quality and performance. High volume gears are machined to close tolerances to ensure proper engine pressure and correct, efficient pump operation. End plates are precision ground for maximum wear resistance. Every Melling oil pump is individually tested for pressure and flow under conditions designed to duplicate actual engine operating conditions.
Additional Cover Shaft Support: No
Additional Volume Over Stock Percentage: 12
Adjustable Bypass Pressure: No
Adjustable Pickup Screen: Yes
Alternate Pressure Springs Included: No
Drive Type: Crankshaft
Gasket Or Seal Included: Yes
Grade Type: Improved Design
Height: 137.00 mm
Height: 5.400 in
Housing Material: Aluminum
Mounting Hole Diameter: 0.375 in
Mounting Hole Diameter: 10.00 mm
Mounting Hole Quantity: 4
Oil Pump Pressure Type: Standard Pressure
Oil Pump Type: Rotary
Oil Pump Volume Type: High Volume
Pickup Tube Diameter: 24.00 mm
Pickup Tube Diameter: 0.950 in
Rotor Material: Steel
Solenoid Included: No
Width: 7.500 in
Width: 190.00 mm
Order Processing Time:
Orders are typically processed within 24-48 hours after the order has been placed.
Custom or special order items may take longer to process, typically 3-5 business days depending on the product and customization required.
Shipping Methods:
Standard Shipping (3-7 business days - location dependent)
Express Shipping (1-2 business days- location dependent)
Packaging:
All parts are securely packaged to better prevent any damage during transit. Fragile or high-value parts will be packaged with additional protective materials, such as bubble wrap or foam padding.
Shipping Rates:
Shipping rates vary based on the size, weight, and destination of the package. You can view the estimated shipping costs for your order during the checkout process before placing your order.
Order Tracking:
Once your order has been shipped, you will receive an email with the tracking number and carrier information. You can also track your order status by logging into your OCDiesel account.
USA Shipping:
We ship to the USA! (Except California) Please note that USA shipping rates and delivery times may vary based on destination. Customers are responsible for any customs fees, import taxes, or additional charges that may apply.
Not all products are stocked in-house. To ensure you receive your desired items promptly, please check for availability before placing your order. Some products may be backordered due to high demand or supply chain constraints, which could result in longer delivery times.
We strive to keep our inventory updated regularly, but availability can change quickly. For the most accurate information, contact the OCDiesel customer service team using either this link, or the chat bubble on the bottom right of this page.
Most items are eligible for return within 30 days of shipping, provided they are unused, in original manufacturer packaging, and in resalable condition. All returns & cancellations are subject to restocking and cancellation fees.
Returns must include a Return Authorization Number (RA #) and be shipped with tracking. Return shipping costs are the responsibility of the customer.
Custom/special orders, electronics, and digital goods are final sale—no returns, refunds, or exchanges.
For full return instructions, fee details, and conditions, click here.
