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- Description
- Fitment
- Warranty and Refund
- Reviews
Keep your engine's ignition timing accurate with the Motorad 1KS1338 Knock Sensor, engineered to detect a wide range of engine knock frequencies and relay precise data to the ECM. Built with a high-quality piezoceramic element manufactured to tight tolerances, this sensor is designed to meet or exceed OEM fit, form, and function specifications on select Hyundai and Kia 2.0L applications from 2011 through 2026, including Sonata, Optima, Sportage, Sorento, Santa Fe, and the N-performance Veloster N, Kona N, and Elantra N. The bolt-on design with a 2-pin female/male blade connector simplifies installation, while the oblong/rectangular housing matches OEM mounting configurations. Backed by Motorad's commitment to durability and accuracy, this knock sensor helps restore proper ignition timing control and supports smoother engine operation. A straightforward, direct-fit replacement for technicians and DIYers alike.
Features
- Piezoceramic sensing element built to tight tolerances helps deliver accurate knock detection for reliable ECM feedback.
- Bolt-on design with 2-pin male/female blade connector simplifies removal and installation without modification.
- Engineered to meet or exceed OEM fit, form, and function specifications for confident direct-fit replacement.
- Compatible with 55 verified Hyundai and Kia 2.0L applications spanning model years 2011-2026.
- Oblong/rectangular housing profile matches original equipment mounting configuration for proper seating.
Application Summary
2011-2013 Kia Optima 2.0L 1998CC 122CID L4 DOHC 16 Valve Turbocharged GAS2011-2015, 2018-2019 Hyundai Sonata 2.4L 2359CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2011-2018 Kia Sportage 2.4L 2359CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2013-2017 Hyundai Santa Fe Sport 2.4L 2359CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2014-2015, 2018 Kia Optima 2.4L 2359CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2016 Hyundai Sonata 2.0L 1999CC -CID L4 DOHC 16 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
2016 Kia Optima 2.4L 2359CC -CID L4 DOHC 16 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
2016, 2018 Kia Sorento 2.4L 2359CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2017 Hyundai Sonata 1.6L 1591CC 97CID L4 DOHC 16 Valve Turbocharged GAS
2017 Kia Sorento 2.0L 1998CC 122CID L4 DOHC 16 Valve Turbocharged GAS
2017, 2020 Kia Optima 2.0L 1999CC 122CID L4 DOHC 16 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
2018 Hyundai Santa Fe Sport 2.0L 1998CC 122CID L4 DOHC 16 Valve Turbocharged GAS
2019 Kia Optima 1.6L 1591CC 97CID L4 DOHC 16 Valve Turbocharged GAS
2019-2020 Hyundai Santa Fe 2.4L 2359CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2019-2022 Hyundai Veloster N 2.0L 1998CC 122CID L4 DOHC 16 Valve Turbocharged GAS
2019-2022 Kia Sportage 2.0L 1998CC 122CID L4 DOHC 16 Valve Turbocharged GAS
2022-2023 Hyundai Kona N 2.0L 1998CC 122CID L4 DOHC 16 Valve Turbocharged GAS
2022-2026 Hyundai Elantra N 2.0L 1998CC 122CID L4 DOHC 16 Valve Turbocharged GAS
Specifications
- Brand: Motorad
- Part Number: 1KS1338
- Part Type: Ignition Knock (Detonation) Sensor
- UPC: 055644929668
- GTIN: 00055644929668
- Item Dimensions: 8.0700 x 2.9900 x 2.0100 IN
- Package Dimensions: 8.0700 x 2.9900 x 2.0100 IN
- Package Weight: 0.2300 PG
- Package Quantity: 1 EA
- Length: 15.0
- Length: 381.00
- Terminal Type: Blade
- Mounting Hardware Included: No
- Connector Shape: Oblong
- Connector Shape: Rectangular
- Terminal Quantity: 2
- Connector Gender: Female
Interchange
- Motorad: 1KS1338
- BWD: EKS927
- Hyundai: 392502G700
- Standard Motor Products: KS427
- Wells: SU13905
- Echlin: DKS867
- CARQUEST Sensors By WELLS: 716964
- HOLSTEIN: 2KNC0104
- Airtex Engine Management: 5S12490
- Standard Import: EKS927
Warranty
- Warranty Type: Lifetime
- Warranty Description: Limited Lifetime
Returns
30-Day Money-Back Guarantee
We want you to be completely satisfied with your purchase! If you are not happy for any reason, you may return the item within 30 days for a refund, minus shipping fees, provided that: The part is brand new, uninstalled, and undamaged in any way.
To initiate a return, please contact us or email support@mizumoauto.com for a Return Authorization Number (RMA) and the return shipping address. Returns without an RMA number will be refused and returned to you at your expense.
Return Requirements:
- Items must be securely packed in the original manufacturer's packaging.
- All original materials must be included, such as hardware, manuals, protective caps, wrapping, and instructions.
- You must obtain and retain the tracking number for your return.
Non-Returnable Items:
- Piston rings, main bearings, and rod bearings are non-returnable if the manufacturer’s seal or shrink-wrapped plastic has been opened. No exceptions—this ensures the integrity of the parts you receive.
We are not responsible for lost or damaged returns. If your return is lost or damaged during shipping, a refund cannot be issued, as the item cannot be resold or returned to the supplier. Please file a claim directly with your shipping carrier for reimbursement.
Refunds are processed within 1-2 business days after we receive and inspect the returned item. Please allow this processing time before inquiring about your refund status.
Warranty
Mizumo Auto provides a 90-day Limited Warranty against defects in workmanship and materials under normal service conditions, effective from the original delivery date.
This warranty is non-transferable and applies only to the original purchaser. Coverage is limited to the replacement or refund of defective products.
Exclusions:
The warranty does not cover labor costs, damage resulting from accidents, misuse, alterations, or unauthorized modifications, as well as additional expenses such as towing, fluids, oils, car rentals, and any other parts not included in the original purchase.
Warranty Claims Process:
- All warranty claims must be pre-authorized and returned prepaid to Mizumo Auto for inspection and approval.
- No exchanges will be made for products that have been damaged, misused, or improperly installed. We strongly recommend professional installation.
- The buyer assumes all risk of damage resulting from improper installation.
All disputes related to transactions shall be resolved by a court of competent jurisdiction in Los Angeles County, California.
Shipping
We offer Free UPS Ground or USPS Ground Advantage shipping within the continental U.S. (48 states).
Shipping to Other Locations:
A delivery surcharge applies to shipments to: Alaska, Hawaii, Puerto Rico, U.S. territories, APO/FPO addresses, Canada, and international destinations.
Order Processing & Tracking:
- Orders are shipped Monday through Friday, excluding holidays.
- Orders placed before 3:00 PM PST will ship the same day, unless unexpected delays occur.
- A tracking number will be emailed within one business day after shipping.
If you do not receive a tracking number, please:
- Check your spam/junk folder.
- If it's not there, contact us via phone or eBay message for assistance.
International Orders:
Import duties, taxes, and brokerage fees are not included in the shipping fee. Please check with your shipping carrier and local customs office regarding any applicable fees before placing your order.









