Elecdurauto supplies OE-level aftermarket heavy duty blower motor resistors for commercial truck and equipment HVAC systems. This part features an open-coil airflow-cooled resistor assembly mounted on a reinforced plate, designed for long duty cycles, vibration, and fleet/worksite service needs—ideal for distributors and importers serving Kenworth, Peterbilt, and John Deere programs.
P93CAA310001S
IATF 16949, ISO 9001, and other major OEM certification systems
OEM label and ODM customization accepted
100 pcs
7–15 Days
18 months
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Product Description
A blower motor resistor provides multiple fan speeds by routing current through different resistance paths. In heavy duty trucks and equipment cabins, blowers often run for long hours (idle, jobsite operation), making thermal stability and connector integrity critical. This open-coil design uses HVAC airflow to help cool the coil during operation.
OE-level replacement for P93CAA310001S blower motor resistor
Open-coil airflow cooling for continuous HVAC operation
Multi-terminal stage layout (verify terminal mapping)
Reinforced plate structure for vibration resistance
Fitment verification supported by connector layout + mounting holes + plate outline

| Reference Type | Part Number | Notes |
|---|---|---|
| Primary / Key | P93CAA310001S | Main B2B search/sourcing number |
| Additional cross refs | Available on request | Confirm by photos for programs |
Important notice : OE / interchange numbers are for reference only. Please confirm fitment by OE number + connector layout + mounting pattern before ordering.
| Segment | Brand | Fitment Scope |
|---|---|---|
| Heavy Duty Truck | Kenworth | HVAC blower speed control applications (verify by layout) |
| Heavy Duty Truck | Peterbilt | HVAC blower speed control applications (verify by layout) |
| Off-Highway / Equipment | John Deere | Cab HVAC resistor applications (verify by layout) |
| Parameter | Specification |
|---|---|
| Product type | Heavy duty blower motor resistor (open-coil) |
| Key ref | P93CAA310001S |
| Cooling | Airflow-cooled open coil |
| Mounting | Reinforced plate with multi-hole pattern |
| Terminals | Multi-terminal blade type (verify mapping) |
| Function | HVAC blower speed stage control |
| Warranty | 18 months |
| MOQ | 100 pcs |
Stable resistance performance under continuous HVAC blower loads, supporting consistent fan speeds in truck HVAC systems.

Improves airflow around the resistor element to enhance heat dissipation and reduce overheating risk.

Designed for vibration resistance and stable installation on heavy-duty trucks and commercial vehicles.

Common symptoms of a faulty blower motor resistor include:
Only one fan speed works
Blower runs intermittently or stops
No airflow from vents
Burnt connector or overheating smell
Unstable cabin temperature control
Confirm terminal layout and mounting pattern before installation
Replace melted connector housing if overheating occurred
If repeat failures happen, inspect blower motor current draw and wiring resistance
Professional installation recommended for workshops and fleet environments
From a manufacturer's standpoint, the most common field issues come from overheating and poor terminal contact. Our batch-level controls focus on:
Resistance stability and electrical continuity checks
Terminal contact and alignment inspection
Assembly consistency for bracket positioning
Heat endurance verification for production batches

For distributors and importers, stable packaging and shipment execution matter as much as product quality. We prepare bulk orders with export-standard carton packing, palletizing, and container loading. Before shipment, we can share loading photos and packing details to help you manage receiving and warehouse operations.
Export-grade cartons with clear carton marks (OE No. / qty / batch)
Palletizing + stretch wrap to reduce damage during long-distance transport
Container loading with space optimization for bulk shipments
Mixed-SKU consolidation support (send your part list for packing plan)
Shipment photos available for your receiving & documentation process
MOQ note: MOQ is 100 pcs per item. For bulk orders, share your destination port and order mix—we'll propose an efficient packing and loading plan.




For distributors and importers, the key to a smooth first order is fast and accurate fitment confirmation. Our dedicated sample room keeps resistor blocks and related HVAC electrical parts organized by OE reference and application. This enables quick cross-checking of connector layout, mounting pattern, and structure, so you can reduce wrong-fit risk and shorten purchasing cycles.
Faster OE and application verification before bulk production
Quick photo support (connector & bracket details) for your internal approval
Sample availability for evaluation and comparison
Better accuracy for distributor listings and warehouse SKU management
Reduced returns caused by mismatched connectors or mounting holes
Send your OE number / reference number, photos of the original part (if available), and target quantity. We'll confirm match and advise the most suitable option for your market.
MOQ: 100 pcs for bulk orders. We support B2B export packaging suitable for importer/distributor warehousing.
To quote efficiently, please send:
OE number: 6118795C2 / 3626414C1 / 2510671C1
Quantity (MOQ 100 pcs)
Destination / port
Connector & bracket photos (recommended for fast confirmation)
Use a 3-point match: (1) the reference P93CAA310001S, (2) terminal layout (count/spacing/orientation), and (3) mounting hole pattern/plate outline. This avoids wrong-fit returns when multiple resistor plates look similar.
In heavy duty markets, buyers typically search by OE/cross number first (P93CAA310001S), then confirm by photos. Model-based searching is less reliable because HVAC configurations vary by fleet and cab options.
This design relies on HVAC airflow to remove heat. If airflow is restricted (dirty filters/duct debris) or the resistor is installed out of the airflow path, it can overheat and fail early—common in hot climates and dusty worksites.
The most common symptoms are only high speed works, missing intermediate speeds, or intermittent blower operation. Heat-damaged connectors are also common when contact resistance increases.
Repeat failures are usually caused by blower motor overcurrent (worn motor/bearings), restricted airflow, or burnt/loose connector contacts. Fixing the root cause greatly reduces warranty returns.
Yes. Heat damage or loose contact increases resistance and can overheat the new resistor. Replacing the connector housing/terminals reduces comebacks and improves reliability.
Ask for a clear photo of the old part's terminal side, the mounting holes, and the plate outline, plus the part number. This is often faster than VIN in export markets and reduces wrong-fit risk.
Check mounting hole position consistency, terminal alignment/firmness, coil integrity, and label accuracy. These checks help distributors keep SKUs consistent and reduce claims.
Yes. We support bulk supply for North America, Middle East, Latin America, Africa, and Europe with export packing and documentation. In high-temperature regions, airflow and connector condition are especially important to prevent repeat failures.
Provide the reference P93CAA310001S, quantity (MOQ 100), destination/port, and photos of the old part (terminal layout + mounting holes). This enables quick verification and accurate quotation.
Yes. If you share a list of your HVAC electrical SKUs, we can help consolidate multiple items in one shipment with clear carton marking (MOQ applies per item).
Yes. We provide neutral/branded packaging, barcode labeling, and listing-ready product photos/copy optimized for your market to help you launch faster.