--- product_id: 245268193 title: "BOSCH 17321 Premium Original Equipment Oxygen Sensor - Compatible with Select Ford Expedition, Explorer, E-Series, Flex, Focus, F-Series, Mustang, Taurus, Transit; Lincoln MKC, MKS, MKT, Navigator" brand: "bosch" price: "S$140" currency: SGD in_stock: true url: https://www.desertcart.sg/products/245268193-bosch-17321-premium-original-equipment-oxygen-sensor-compatible-with-select store_origin: SG region: Singapore --- # Fast-acting heater reaches operating temp in seconds 100% factory-tested for guaranteed performance Double laser-welded stainless steel body BOSCH 17321 Premium Original Equipment Oxygen Sensor - Compatible with Select Ford Expedition, Explorer, E-Series, Flex, Focus, F-Series, Mustang, Taurus, Transit; Lincoln MKC, MKS, MKT, Navigator **Brand:** bosch **Price:** S$140 **Availability:** βœ… In Stock ## Summary > πŸ”₯ Upgrade your ride with Bosch precision – because every second counts! ## Quick Answers - **What is this?** BOSCH 17321 Premium Original Equipment Oxygen Sensor - Compatible with Select Ford Expedition, Explorer, E-Series, Flex, Focus, F-Series, Mustang, Taurus, Transit; Lincoln MKC, MKS, MKT, Navigator by bosch - **How much does it cost?** S$140 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/245268193-bosch-17321-premium-original-equipment-oxygen-sensor-compatible-with-select) ## Best For - bosch enthusiasts ## Why This Product - Trusted bosch brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Plug-and-Play OE Fitment:** True direct-fit connectors and pre-coated threads make installation seamless and hassle-free. - β€’ **Rapid Heat-Up Technology:** Fast-acting heater gets your sensor up to optimal temperature in seconds, maximizing engine efficiency. - β€’ **Decades of Bosch Innovation:** Benefit from over 50 years of oxygen sensor expertise, ensuring unmatched reliability and precision. - β€’ **Eco-Friendly Engine Management:** Maintain peak engine performance, reduce CO2 emissions, and save on fuel costs by timely sensor replacement. - β€’ **Built to Last with Stainless Steel:** Exclusive double laser-welded body resists contamination and corrosion for extended sensor life. ## Overview The BOSCH 17321 Oxygen Sensor delivers premium OE-quality performance with a durable stainless steel body, rapid heat-up technology, and rigorous factory testing. Designed for select Ford and Lincoln models, it ensures precise air-fuel mixture readings to optimize engine efficiency, reduce emissions, and extend sensor lifespan. Easy to install with direct-fit connectors and anti-seize threads, this sensor is a must-have for proactive vehicle maintenance and eco-conscious driving. ## Description Every Bosch Oxygen Sensor benefits from the technological and manufacturing experience gained from decades of production, since first inventing the Oxygen Sensor in the late 1960's, ensuring long-lasting, superior performance that you can count on. Bosch Oxygen Sensors are 100% tested for full functionality, resulting in a seared appearance of the protection tube, to ensure every Bosch manufactured sensor meets Bosch's rigorous standards for quality and performance. Exclusive double laser-welded stainless steel body is totally submersible and sealed tight to protect against damage from exhaust emissions β€” ensuring a longer sensor service life. Fast-acting heater optimizes sensor operation on Planar and 3, 4, and 5 wire Thimble type sensors allowing the oxygen sensor to reach its operating temperature quicker – within seconds – for optimum performance. True Direct-fit OE connectors and harnesses, along with threads pre-coated with anti-seize compound right out of the box, make installation simple and hassle-free. It’s critical that oxygen sensors are replaced at the suggested intervals provided by vehicle manufacturers before the sensor fails. Following the recommendations will prevent long term damage to a vehicle’s engine, reduce harmful carbon dioxide (CO2) emissions and save money when refueling your vehicle. ## Features - [INNOVATIVE TECHNOLOGY] - Every Bosch Oxygen Sensor benefits from the technological and manufacturing experience gained from decades of production since first inventing the Oxygen Sensor in the late 1960's, ensuring long-lasting, superior performance - [FACTORY TESTED] - Seared appearance of protection tube is a result of a 100 percent fully functional quality test to ensure every Bosch manufactured sensor meets Bosch's rigorous standards for quality and performance - [STAINLESS STEEL BODY] - Exclusive double laser-welded stainless steel body is totally submersible and sealed tight to protect against contamination from exhaust emissions ? ensuring longer sensor service life - [FAST ACTING HEATER] - Fast-acting heater optimizes sensor operation, allowing the oxygen sensor to reach its operating temperature quicker ? within seconds ? for optimum performance - International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Bosch | | Part number | 17321 | | Item Weight | 132 g | | Product Dimensions | 5.6 x 5 x 14.8 cm; 131.54 g | | Item model number | 0258017321 | | Size | 17321 | | Colour | Wideband | | Style | Oxygen Sensor | | Material | Stainless Steel | | Item Package Quantity | 1 | | Measurement Accuracy | High | | Plug profile | Threaded | | Special Features | Not_Performance_Used | | Specific uses | Temperature | | Included components | Other Vehicle Parts( AUTO_PART ), Performance Parts - Underhood, Engine Management, automotive-oxygen-sensors | | Batteries included? | No | | Batteries Required? | No | ## Product Details - **Brand:** Bosch - **Item dimensions L x W x H:** 5.6 x 5 x 14.8 centimetres - **Material:** Stainless Steel - **Item weight:** 0.29 Pounds - **Style:** Oxygen Sensor ## Images ![BOSCH 17321 Premium Original Equipment Oxygen Sensor - Compatible with Select Ford Expedition, Explorer, E-Series, Flex, Focus, F-Series, Mustang, Taurus, Transit; Lincoln MKC, MKS, MKT, Navigator - Image 1](https://m.media-amazon.com/images/I/51tE1HnaIaL.jpg) ![BOSCH 17321 Premium Original Equipment Oxygen Sensor - Compatible with Select Ford Expedition, Explorer, E-Series, Flex, Focus, F-Series, Mustang, Taurus, Transit; Lincoln MKC, MKS, MKT, Navigator - Image 2](https://m.media-amazon.com/images/I/51joNzYd9wL.jpg) ![BOSCH 17321 Premium Original Equipment Oxygen Sensor - Compatible with Select Ford Expedition, Explorer, E-Series, Flex, Focus, F-Series, Mustang, Taurus, Transit; Lincoln MKC, MKS, MKT, Navigator - Image 3](https://m.media-amazon.com/images/I/61zQ5UkVNuL.jpg) ![BOSCH 17321 Premium Original Equipment Oxygen Sensor - Compatible with Select Ford Expedition, Explorer, E-Series, Flex, Focus, F-Series, Mustang, Taurus, Transit; Lincoln MKC, MKS, MKT, Navigator - Image 4](https://m.media-amazon.com/images/I/51GeTgw0yOL.jpg) ## Available Options This product comes in different **Colour Name, Size Name, Style Name** options. ## Questions & Answers **Q: For Volvo owners. Does the check emissions system light (engine symbol) go out as soon as the new unit is installed or do you have to clear codes?** A: Late to answer but I hope it helps others. Make sure priro to disconnect any connector, to unplug the negative from the battery. Volvo of this generation are known to have temperamental errors or behaviours of the battery is not disconnect first. Keep ready an OBD scanner to clear codes may come up or the ECU might give idle revving or any other kind of issues related to air flow+combustion. ## Frequently Bought Together - BOSCH 17321 Premium Original Equipment Oxygen Sensor - Compatible with Select Ford Expedition, Explorer, E-Series, Flex, Focus, F-Series, Mustang, Taurus, Transit; Lincoln MKC, MKS, MKT, Navigator - Offset Oxygen Sensor Socket, 3/8-Inch Drive, 7/8-Inch (22mm), Wire Gate Accesses Sensor from Side, Preventing Damage to Wires, Universal for Most Cars - BOSCH 17323 Premium Original Equipment Oxygen Sensor - Compatible with Select Ford Expedition, F-150; Lincoln Navigator --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/245268193-bosch-17321-premium-original-equipment-oxygen-sensor-compatible-with-select](https://www.desertcart.sg/products/245268193-bosch-17321-premium-original-equipment-oxygen-sensor-compatible-with-select) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-06-19*