What This Door Covers
This is the lower outer door panel on the curbside — passenger side — of a Thermo King Precedent refrigeration unit. It's the skin that closes off the lower service bay. It carries the latch hardware and hinge points, seals against the frame, and keeps spray, salt, and road debris off the components behind it.
The listing covers Precedent S-600, S-700, and C-600 series units. Position matters: lower, not upper, and curbside, not roadside. The doors are not interchangeable side to side or top to bottom. Confirm which panel you are pulling before you order, because the mounting geometry and latch cutouts differ.
The aftermarket panel is built to the same dimensions as the original and finished for weather and corrosion resistance. It is a direct replacement, not a universal blank. Hinge pin locations, latch openings, and sealing surfaces line up with the existing frame hardware on the unit.
Why 98-9643 And DR-014A Match
98-9643 is the Thermo King number stamped or labeled on the original curbside lower outer door. DR-014A is the World Truck Parts aftermarket number for the same panel. Both describe one physical part: same side, same position, same series coverage. The two numbers are listed together so you can find the part from whichever number you happen to be holding.
These numbers cross because the panel is defined by its interface, not by branding. The hinge spacing, latch cutout, edge return, and overall outline have to match the Precedent door frame or the panel won't close and seal. Reproduce those dimensions and you have the same part regardless of who stamped it.
Manufacturer names and numbers here are for identification only. PartStop is not affiliated with, endorsed by, or authorized by Thermo King. This is an aftermarket part and not an original-equipment product.
Check Before You Order
Pull the old door and look for a number on the inside face or on a label near the hinge edge. That number is your most reliable confirmation. If the panel is too damaged to read, verify by unit series and by standing at the curbside of the trailer facing the reefer — the lower bay door on your right-hand side as you face the unit.
Inspect the hinges and latch hardware while the door is off. A door that took a hit usually took the hinge with it, and bolting a new panel to a bent hinge leaves you with a gap that lets water in. Check the seal surface on the frame too. A cross-reference is a starting point; confirm fit by VIN or by the number on the old part.
98-9643 Cross-Reference & Interchange Numbers
These manufacturer and aftermarket numbers commonly cross-reference to 98-9643. Use them to identify the part — then confirm the exact fit by VIN or the number stamped on your old unit before you order. An interchange is a starting point, not a fitment guarantee.
| Brand / Line | Cross-Reference Numbers |
|---|---|
| Thermo King | DR-014A |
Frequently asked questions
Is 98-9643 the curbside or roadside door?
Curbside — the passenger side of the unit. It is also the lower outer panel, not the upper. Thermo King uses separate numbers for each position, so check both the side and the height before ordering. If the old panel still has a legible number, match it directly.
Will this fit a Precedent C-600?
The part is listed for Precedent S-600, S-700, and C-600 series units. Series coverage is a starting point, not a fitment guarantee. Confirm by pulling the old door and reading the number on it, or verify against the unit serial data before you order.
Does the door come with hinges and latch hardware?
This listing is for the door panel itself. Plan on reusing your existing hinge and latch hardware unless it is bent or corroded. Inspect the hinge pins and the latch striker while the old door is off — replacing a panel onto damaged hardware is the most common reason a new door won't seal.
Not sure it fits? We check before you pay.
Run your VIN and we’ll match parts to your exact truck, or call the counter — a person who knows trucks verifies fitment by OEM number before the order ships. No wrong-box returns.
More cross-reference guides
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Every part below is a Premium Quality aftermarket Direct Replacement with published OEM cross-reference numbers, a 6+ month warranty and same-business-day shipping from Tacoma, WA. Not sure it fits? Run your VIN — or call and a person who knows trucks will verify fitment before you pay.