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- Description
- Fitment
- Warranty and Refund
- Reviews
The Motorad 1KS1008 is a direct-fit ignition knock (detonation) sensor engineered for a wide range of Toyota and Lexus V6, L6, and V8 engines from 1992-2004, including Camry, Avalon, 4Runner, Sienna, ES300, GS300, GS400, LS400, SC300, SC400 and more. This sensor uses a precision piezoceramic element designed to respond accurately to a broad range of engine knock frequencies, feeding reliable data to the ECM so ignition timing can be optimized. Motorad builds these sensors to meet or exceed OEM fit, form, and function requirements, and each unit undergoes extensive testing including salt spray, thermal cycling, vibration, and drop testing to help ensure long-term durability. Backed by a limited lifetime warranty, the 1KS1008 is a straightforward replacement option for shops and DIYers looking to restore accurate knock detection and proper engine performance across supported applications.
Features
- Piezoceramic sensing element accurately detects engine knock across a wide frequency range for reliable ECM input.
- Engineered to meet or exceed OEM fit, form, and function so installation matches factory sensor behavior.
- Tested through salt spray, thermal cycling, vibration, and drop testing to support long-term reliability.
- Covers 66 documented applications across Toyota and Lexus models from 1992-2004 for broad usability.
- Backed by a limited lifetime warranty for added buyer confidence on this replacement part.
Application Summary
1992-1995 Toyota Previa 2.4L 2438CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS1994-1996, 1999-2001 Toyota Camry 2.2L 2164CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
1994-1999 Lexus ES300 3.0L 2995CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1995, 1998 Toyota T100 3.4L 3378CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1995-1999 Toyota Avalon 3.0L 2995CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1995-2004 Toyota Tacoma 3.4L 3378CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1996-1997 Toyota Previa 2.4L 2438CC -CID L4 DOHC 16 Valve Supercharged GAS
1996-1997 Toyota T100 2.7L 2694CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
1996-2002 Toyota 4Runner 3.4L 3378CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1997-1998 Toyota Camry 3.0L 2995CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1998 Toyota Supra 3.0L 2997CC -CID L6 DOHC 24 Valve Naturally Aspirated GAS
1998-1999 Lexus GS300 3.0L 2997CC -CID L6 DOHC 24 Valve Naturally Aspirated GAS
1998-1999 Toyota Sienna 3.0L 2995CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1998-2000 Lexus LS400 4.0L 3969CC -CID V8 DOHC 32 Valve Naturally Aspirated GAS
1998-2000 Lexus SC400 4.0L 3969CC -CID V8 DOHC 32 Valve Naturally Aspirated GAS
1999 Lexus RX300 3.0L 2995CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1999 Lexus SC300 3.0L 2997CC -CID L6 DOHC 24 Valve Naturally Aspirated GAS
1999 Toyota Solara 3.0L 2995CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2000 Lexus GS400 4.0L 3969CC -CID V8 DOHC 32 Valve Naturally Aspirated GAS
2000-2004 Toyota Tundra 3.4L 3378CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
Specifications
- Brand: Motorad
- Part Number: 1KS1008
- Part Type: Ignition Knock (Detonation) Sensor
- UPC: 055644926117
- GTIN: 00055644926117
- Item Dimensions: 2.2500 x 2.2500 x 2.2500 IN
- Package Dimensions: 2.2500 x 2.2500 x 2.2500 IN
- Package Weight: 0.1500 PG
- Package Quantity: 1 EA
- Threaded End Diameter: 12.0
- Threaded End Diameter: 0.47
Interchange
- General Motors: 89052887
- Motorad: 1KS1008
- KEM: 144717
- Toyota: 8961512040
- Original Engine Management: KS19
- CARQUEST Sensors By WELLS: 716619
- Forecast: KS19
- Airtex Engine Management: 5S2249
- Standard Import: S8648
- T Series: KS81T
- Tomco Products: 29008
- ACDelco: 2131819
- BWD: S8648
- Delphi Engine Management: AS10019
- Standard Motor Products: KS81
- Wells: SU4040
- Walker Products: 2421040
- Echlin: DKS543
- HOLSTEIN: 2KNC0063
- HOLSTEIN: 2KNC0409
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.









