
645-685 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $19.78 | Condition is New, Dorman 645685 Door Jamb Switch Connector, FREE SHIPPING | ![]() |
![]() | $19.80 | Condition is New, Dorman 645-685 Door Ajar Switch /Pigtail Connector *New in Box/ Sealed*, FREE SHIPPING | 100.0% |
![]() | $20.60 | Top Pick! Condition is New, Dorman 645-685 Door Ajar Switch Pigtail Compatible with Select Ford / Lincoln..., FREE SHIPPING | 94.7% |
![]() | $20.87 | Condition is New, Door Jamb Connector Dorman/Techoice 645-685, FREE SHIPPING | 99.5% |
![]() | $21.17 | Condition is New, Dorman TECHoice 645-685 Door Jamb Switch Connector for S-1786 PT1289 EC1286 ws, FREE SHIPPING | ![]() |
![]() | $21.84 | Condition is New, Door Jamb Switch Connector Dorman 645-685, FREE SHIPPING | 99.9% |
![]() | $21.92 | Condition is New, Door Jamb Connector Dorman/Techoice 645-685, FREE SHIPPING | 100.0% |
![]() | $21.93 | Condition is New, Dorman TECHoice 645-685 Door Jamb Switch Connector for S-1786 PT1289 EC1286 aa, FREE SHIPPING | 99.4% |
![]() | $21.99 | Condition is New, Dorman 645-685 Door Ajar Switch Pigtail, FREE SHIPPING | 99.6% |
![]() | $22.04 | Condition is New, Door Jamb Connector Dorman/Techoice 645-685, FREE SHIPPING | 99.9% |
![]() | $15.08 | Top Pick! Condition is New, Genuine Dorman Door Ajar Switch Pigtail 645-685, shipping cost = $8.99 | 99.3% |
![]() | $23.30 | Condition is New, Door Jamb Connector Dorman/Techoice 645-685, FREE SHIPPING | 99.2% |
![]() | $23.92 | Condition is New, Door Jamb Switch Connector Dorman 645-685, FREE SHIPPING | 99.7% |
![]() | $25.65 | Condition is New, Door Jamb Connector Dorman/Techoice 645-685, FREE SHIPPING | 99.3% |
![]() | $26.24 | Condition is New, Door Jamb Switch Connector Dorman 645-685, FREE SHIPPING | ![]() |
![]() | $26.34 | Condition is New, Door Jamb Switch Connector Dorman 645-685, FREE SHIPPING | 99.8% |
![]() | $26.90 | Condition is New, Dorman 645-685 Door Ajar Switch Pigtail, FREE SHIPPING | 99.6% |
![]() | $28.07 | Condition is New, Door Jamb Switch Connector Dorman 645-685, FREE SHIPPING | ![]() |
![]() | $28.49 | Condition is New, Door Jamb Connector Dorman/Techoice 645-685, FREE SHIPPING | 99.7% |
![]() | $28.83 | Top Pick! Condition is New, 645-685 Dorman Door Ajar Switch Connector for F150 Truck F450 F550 F250 F350, FREE SHIPPING | 99.4% |
![]() | $28.83 | Top Pick! Condition is New, 645-685 Dorman Door Ajar Switch Connector for F150 Truck F450 F550 F250 F350, FREE SHIPPING | 99.4% |
![]() | $15.77 | Condition is New, Dorman Door Ajar Switch Pigtail 645-685, shipping cost = $14.95 | 99.7% |
![]() | $14.97 | Condition is New, Genuine Dorman Door Ajar Switch Pigtail 645-685, shipping cost = $16.99 | 96.9% |
![]() | $30.29 | Condition is New, Door Jamb Connector Dorman/Techoice 645-685, FREE SHIPPING | 100.0% |
![]() | $15.48 | Condition is New, Door Jamb Switch Connector Dorman 645-685, shipping cost = $16.99 | 99.7% |
![]() | $32.31 | Condition is New, Door Jamb Switch Connector Dorman 645-685, FREE SHIPPING | 98.6% |
![]() | $33.95 | Condition is New, DORMAN 645-685 Door Ajar Switch Pigtail, FREE SHIPPING | 99.3% |
![]() | $35.04 | Condition is New, Dorman 645-685 Door Ajar Switch Pigtail, FREE SHIPPING | 99.4% |
![]() | $35.95 | Condition is New, DORMAN 645-685 Door Ajar Switch Pigtail, FREE SHIPPING | 99.2% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $19.95 | Top Pick! Condition is New other (see details), NEW 2002-2018 Ford Lincoln Dorman Electrical Wire Ajar Switch Connector 645-685, FREE SHIPPING | 100.0% |
![]() | $22.99 | Top Pick! Condition is New other (see details), Dorman 645-685 Door Ajar Switch Pigtail Connector for Ford, Lincoln & Mercury, FREE SHIPPING | 99.3% |

Dorman/Techoice 645-685 Door Ajar Switch
The Dorman/Techoice 645-685 Door Ajar Switch is a versatile and reliable solution for ensuring the safety and functionality of your vehicle's door system. This essential automotive component is designed to detect when a door is ajar or open, preventing the vehicle from being driven with an unrestrained door.
Constructed from high-quality materials, this door ajar switch boasts a robust design that can withstand the rigors of daily use. It features a durable plastic housing that protects the internal components from dust, debris, and other environmental hazards. The switch is designed to fit and function seamlessly in various vehicle makes and models, making it an excellent choice for both professional mechanics and DIY enthusiasts.
The 645-685 Door Ajar Switch comes with a plug-and-play wiring harness, simplifying the installation process. The harness connects directly to the vehicle's wiring system, eliminating the need for any additional adapters or modifications. This not only saves time during installation but also ensures a secure and reliable electrical connection.
One of the notable features of this door ajar switch is its adjustable sensitivity. This allows users to customize the switch's response based on the specific requirements of their vehicle or personal preference. The adjustable feature ensures that the switch accurately detects when a door is open or ajar, providing peace of mind and enhancing the overall safety of the vehicle.
The Dorman/Techoice 645-685 Door Ajar Switch is also designed to be easy to use and maintain. It features a simple on/off design, making it straightforward to test and troubleshoot any potential issues. The switch is also resistant to wear and tear, ensuring long-lasting performance.
In summary, the Dorman/Techoice 645-685 Door Ajar Switch is an essential automotive component that offers superior functionality, durability, and ease of use. Its adjustable sensitivity, plug-and-play wiring harness, and robust design make it an excellent choice for ensuring the safety and reliability of your vehicle's door system.
Dorman/Techoice 645-685 Door Ajar Switch: A Comprehensive Analysis
The Dorman/Techoice 645-685 door ajar switch is a popular aftermarket solution for replacing the original equipment manufacturer (OEM) door ajar switch. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this part.
Advantages:1. Cost-Effective: The aftermarket Dorman/Techoice 645-685 door ajar switch is typically priced lower than the OEM equivalent, making it an attractive option for budget-conscious consumers.
2. Universal Fitment: This particular switch is designed to fit various vehicle models, making it a versatile choice for those who wish to replace the door ajar switch in their cars.
3. Easy Installation: The installation process for the Dorman/Techoice door ajar switch is generally straightforward and can be completed by the average DIY enthusiast.
Disadvantages:1. Quality Concerns: Some consumers have reported issues with the durability and reliability of the Dorman/Techoice 645-685 door ajar switch. This may include problems such as intermittent operation or premature failure.
2. Potential Compatibility Issues: Although the switch is designed to fit multiple vehicle models, there have been reports of compatibility issues in some cases. It is crucial to ensure that the part is compatible with your specific vehicle before making a purchase.
3. Lack of OEM Certification: The Dorman/Techoice 645-685 door ajar switch is not an OEM part, which may be a concern for consumers who prefer genuine OEM components.
Conclusion:The Dorman/Techoice 645-685 door ajar switch offers a cost-effective solution for replacing a faulty or worn-out OEM door ajar switch. However, potential quality concerns and compatibility issues must be considered before making a purchase. Ultimately, if you're comfortable with the risks and the part fits your vehicle, the Dorman/Techoice switch could be a suitable choice.
Recommendation:If you decide to purchase the Dorman/Techoice 645-685 door ajar switch, make sure to verify its compatibility with your vehicle model beforehand. Additionally, consider purchasing from a reputable seller to minimize the risk of receiving a faulty part. Always follow the installation instructions carefully to ensure proper function.
Details:
specifications interiorswoop:
- brand: Dorman/techoice
- mpn: 645-685
- part type: Switch Door
- manufacturer warranty: 1 Year
- california prop 65 warning: This Product Contains Chemicals Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm.
- genuine oem: 3u2z14s411rpb, 3u2z14s411rpc, 90980-11019
- upc: 019495375005
shipping interiorswoop:
- type: fixed
- transit: 3-7 days
- class: economy, standard, expedited, one-day
- service: economy, standard, expedited, overnight
payments interiorswoop:
- credit card: discover
- wallet: paypal
- other
returns interiorswoop:
- time: 30 days
- paid by: seller
- policy: returns accepted
offer interiorswoop:
- started: december 10, 2025
- sold #: 11
- in stock #: 5
- availability: in stock
- options: ship-to-home
- prices: $14.97–$35.95
- item condition:
- New
- New other (see details)
seller interiorswoop:
- rating: 99.3%
- # reviews: 129216
- city: colmar, pennsylvania
general interiorswoop:
- category: Auto Parts > Car Truck > Interior Accessories
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