Guangzhou Jinnaide Automotive Parts Co., Ltd
| Material | Viton |
| Packaging Details | Natural Packaging |
| Function | One-Way Flow Control |
| Color | Black |
| Supply Ability | 200000 PCS/year |
| Delivery Time | 15 days |
| Payment Terms | T/T |
| Product Name | Fuel Hand Primer Pump |
| Brand Name | UNC |
| Model Number | 5001821529 |
| Place of Origin | China |
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Product Specification
| Material | Viton | Packaging Details | Natural Packaging |
| Function | One-Way Flow Control | Color | Black |
| Supply Ability | 200000 PCS/year | Delivery Time | 15 days |
| Payment Terms | T/T | Product Name | Fuel Hand Primer Pump |
| Brand Name | UNC | Model Number | 5001821529 |
| Place of Origin | China | ||
| High Light | 5001821529 Fuel Hand Primer Pump ，5001821529 China Truck Parts ，Black Fuel Hand Primer Pump | ||
Keep it brief to grab attention.
OEM Part Number: 5001821529
Key Function: Manual priming of the fuel system after maintenance or filter replacement.
Material: High-grade reinforced plastic and heavy-duty rubber for fuel resistance.
Availability: In stock and ready for global shipping.
Professional and detailed.
Ensure your engine starts smoothly every time with our High-Performance Fuel Hand Primer Pump (5001821529). Specifically designed for heavy-duty diesel engines, this manual pump is essential for bleeding air out of the fuel lines after a filter change or when the fuel tank has run dry.
Built to withstand harsh engine bay environments, our primer pump features chemical-resistant seals to prevent leaks and a robust ergonomic design for easy manual operation. It is an exact OE replacement, ensuring a perfect fit and restored pressure performance without the need for modifications.
Organized for quick reference.
| Feature | Specification |
|---|---|
| Product Name | Fuel Hand Primer Pump |
| OEM Reference | 5001821529 / 5001850387 |
| Compatible Brands | China Trucks |
| Material | PA66 + GF30 (Glass Fiber Reinforced Nylon) |
| Operating Pressure | Standard Low-Pressure Fuel System |
| Weight | Approx. 0.15 kg - 0.25 kg |
| Thread Size | Standardized for 5001821529 housing |
| Durability | Tested for >10,000 pumping cycles |
Focus on quality assurance and logistics.
Precision Engineering: Manufactured under ISO 9001 standards to match or exceed original equipment performance.
Extreme Weather Performance: Tested to operate efficiently in temperatures ranging from -40°C to 120°C.
Leak-Proof Guarantee: Every unit undergoes a rigorous pressure test before leaving the factory.
Wholesale Support: We offer tiered pricing for bulk orders and neutral/customized packaging for distributors.
Address common customer concerns.
Q1: Why is my manual primer pump leaking fuel from the top?
A: This is usually due to aged or cracked internal seals. Since these pumps are sealed units, the most reliable and cost-effective solution is to replace the entire assembly (5001821529).
Q2: Does the pump come with the sealing O-ring?
A: Yes, our package includes the necessary high-temperature resistant O-ring to ensure a vacuum-tight seal upon installation.
Q3: How do I know when the priming is complete?
A: Press the pump repeatedly until you feel significant resistance. This indicates that the fuel lines are filled and the air has been purged back to the tank.
Q4: Do you offer a warranty on this part?
A: Absolutely. We provide a 12-month warranty against manufacturing defects to give you peace of mind on the road.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2011
Total Annual:
10000000-100000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Guangzhou Jinnaide Automotive Parts Co., Ltd is a professional supplier specializing in high-quality commercial vehicle and heavy-duty truck parts. With years of industry experience, we are committed to providing reliable products and efficient services to customers worldwide. Our extensive product ... Guangzhou Jinnaide Automotive Parts Co., Ltd is a professional supplier specializing in high-quality commercial vehicle and heavy-duty truck parts. With years of industry experience, we are committed to providing reliable products and efficient services to customers worldwide. Our extensive product ...
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