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2X Hand Primer Pump 11-8680 for Thermo King 4.82E 4.86E Yanmar 4TNE84 4TNE88
$33.99
Sale price
$33.99
Regular price
Available to Order
This hand fuel primer pump set is a high-quality aftermarket replacement for select Thermo King transport refrigeration units and helps restore manual fuel priming after service or fuel loss.
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
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Product Overview
The hand primer pump moves fuel through the low-pressure system to remove air and prepare the engine for starting. Leakage, a cracked plunger, weak suction, or damaged threads can make priming difficult.
The listed replacement number is 11-8680. Match the part number, thread size, plunger design, sealing washer, and fuel-system application with the part currently installed.
Key Features & Performance
- Designed for compatible Thermo King and Yanmar applications
- Supplied in the quantity stated in the listing
- Restores manual fuel priming
- Helps remove air after filter or line service
Fitment & Compatibility
Compatible with Thermo King 4.82E and 4.86E units with Yanmar 4TNE84 or 4TNE88 engines. Serial-number breaks, production changes, or equipment options may affect the required part.
Technical Specifications
- Product Type: Hand Fuel Primer Pump Set
- Compatible Brand: Thermo King and Yanmar
- Part Number(s): 11-8680
- Quantity: 2
Frequently Asked Questions
Q: Why will a hand primer not become firm? A: Air leaks, loose filters, faulty check valves, restricted lines, or a worn primer can prevent pressure from building.
Q: Is this an original OEM part? A: This is a high-quality aftermarket replacement and is not supplied by the original equipment manufacturer.
Serial-number breaks and production changes may affect fitment. Verify the original part before purchase.