Wix 51051
WIX Filters 51051 Heavy Duty Spin-On Lube Filter User Manual
Model: 51051 | Brand: Wix
1. Introduction
This manual provides essential information for the proper use, installation, and maintenance of the WIX Filters 51051 Heavy Duty Spin-On Lube Filter. This filter is designed to provide superior filtration for engine lubrication systems, ensuring clean oil circulation and protecting engine components from wear.

Image 1.1: The WIX 51051 Heavy Duty Spin-On Lube Filter. This image shows the cylindrical filter with the WIX logo and model number 51051 clearly visible on its side, indicating it is an oil filter.
2. Key Features
The WIX 51051 Lube Filter is engineered with advanced features to deliver optimal performance and engine protection:
- Includes gasket, mounting plate, center tube and inner element tube for comprehensive filtration.
- Increased dirt-holding capacity to capture more contaminants over its service life.
- High particle size retention ensures effective removal of harmful particles from the oil.
- Low oil flow restriction maintains proper oil pressure and flow to engine components.
- Highly durable and reliable construction for long-lasting performance in demanding conditions.
3. What's in the Box
Upon opening the package, you will find the following component:
- One (1) WIX Filters 51051 Heavy Duty Spin-On Lube Filter, which includes the necessary gasket, mounting plate, center tube, and inner element tube.
4. Specifications
| Attribute | Detail |
|---|---|
| Brand | Wix |
| Model | 51051 |
| Material | Paper |
| Product Grade | Replacement Part |
| Vehicle Service Type | Truck |
| Dimensions (L x W x H) | 4.41 x 3.9 x 3.9 inches |
| Outside Diameter | 3.9 Inches |
| Thread Size | M16 x 1.5 |
| Item Weight | 0.01 Ounces |
| OEM Part Number | 51051 |
| UPC | 765809510517 |
| Country of Origin | China |
5. Setup and Installation
Proper installation of your WIX 51051 Lube Filter is crucial for optimal performance and engine longevity. Always refer to your vehicle's service manual for specific instructions and safety precautions. If you are unsure about any step, it is recommended to seek professional assistance.
General Installation Steps:
- Safety First: Ensure the vehicle is on a level surface, the engine is cool, and the parking brake is engaged. Use jack stands if lifting the vehicle.
- Drain Old Oil: Place a drain pan under the oil pan and remove the drain plug to allow the old engine oil to drain completely.
- Remove Old Filter: Locate the old oil filter. Use an oil filter wrench to loosen and remove it. Be prepared for residual oil to spill.
- Prepare New Filter: Apply a thin film of new engine oil to the gasket of the WIX 51051 filter. This helps ensure a proper seal.
- Install New Filter: Hand-tighten the new filter onto the engine's filter mounting stud until the gasket makes contact with the engine block. Then, tighten an additional 3/4 to 1 full turn, or as specified by your vehicle's manufacturer. Do not overtighten.
- Refill Engine Oil: Replace the oil drain plug (with a new washer if required) and refill the engine with the manufacturer-recommended type and quantity of new engine oil.
- Check for Leaks: Start the engine and let it run for a few minutes. Check for any oil leaks around the new filter and the drain plug. Turn off the engine and recheck the oil level.
6. Operating Instructions
Once installed, the WIX 51051 Lube Filter operates continuously as an integral part of your vehicle's lubrication system. It works by filtering contaminants such as dirt, metal particles, and sludge from the engine oil, ensuring that only clean oil circulates through critical engine components. This continuous filtration helps to reduce wear, maintain engine efficiency, and extend engine life.
7. Maintenance
The WIX 51051 Lube Filter is a maintenance item designed for periodic replacement. Regular oil and filter changes are critical for engine health. Refer to your vehicle manufacturer's recommendations for oil and filter change intervals, typically found in your vehicle's owner's manual. Adhering to these intervals will ensure your engine receives consistent protection from contaminants.
Disposal: Always dispose of used oil filters and engine oil responsibly at an authorized recycling center or facility.
8. Troubleshooting
While the WIX 51051 filter is designed for reliability, issues can sometimes arise, often related to installation. Here are common troubleshooting tips:
- Oil Leakage After Installation:
- Ensure the old gasket was completely removed from the engine block before installing the new filter.
- Verify the new filter is tightened correctly (hand-tight plus 3/4 to 1 full turn). Overtightening or undertightening can cause leaks.
- Check for any damage to the filter's gasket or the engine's mounting surface.
- Low Oil Pressure Indication:
- Ensure the correct oil type and quantity have been added to the engine.
- While rare with new filters, a severely clogged filter (if it were old or defective) could restrict flow. Ensure the filter is new and correctly installed.
- Consult a professional mechanic if low oil pressure persists, as it may indicate a more serious engine issue.
- Filter Does Not Fit:
- Double-check that the WIX 51051 is the correct filter for your specific vehicle make, model, and engine. Refer to your vehicle's owner's manual or a reliable parts catalog.
- Verify the thread size and outside diameter match your vehicle's requirements.
9. Safety Information
Always observe the following safety precautions when working with automotive components:
- Wear appropriate personal protective equipment, including safety glasses and gloves.
- Ensure the vehicle is stable and securely supported before working underneath it.
- Allow the engine to cool down completely before performing any maintenance to avoid burns from hot oil or engine components.
- Be aware of hot surfaces and moving parts when the engine is running.
- Keep oil and other automotive fluids away from open flames or ignition sources.
- Dispose of used oil and filters according to local environmental regulations.
- Keep out of reach of children.
10. Warranty Information
WIX Filters products are manufactured to high-quality standards. For specific warranty details regarding the WIX 51051 Heavy Duty Spin-On Lube Filter, please refer to the official WIX Filters website or contact their customer service. Typically, warranties cover defects in material and workmanship under normal use and service.
11. Customer Support
If you have any questions, require technical assistance, or need to report an issue with your WIX 51051 Lube Filter, please contact WIX Filters customer support through their official website or the contact information provided on their product packaging. When contacting support, please have your product model number (51051) and any relevant purchase information ready.
For more information, visit the official WIX Filters website.
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