Denso
Spark Plug - Iridium Long Life (SIP)

Denso 3523 Spark Plug

Brand Denso 3523
Resistance 5000.0
Ground Electrode Tip Design Platinum needle
Ground Configuration Needle-to-needle
Ground Electrode Core Material Nickel
Center Electrode Core Material Copper
Center Electrode Tip Material Iridium
Pre-Gap Size 0.7
Ground Electrode Quantity 1
Hex Size 14.3
Manufacturer Heat Range 22
Seat Type Flat
Reach 26.5
Product line Spark Plug - Iridium Long Life (SIP)
Fits Lexus, Mazda, and Toyota · 32 vehicles

Cross-references Anchor 3523, 90919-01295 and 90919-A1006 for the same application. See all 5.

$33.67Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $33.67
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
This part fits 32 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelDrive TypePositionNotes
2023LexusLS500RWDN/AOE; Spark Plug - Iridium Long Life (SIP)
2023LexusLX600Ultra LuxuryN/AOE; Spark Plug - Iridium Long Life (SIP)
2023MazdaCX-302.5 TurboN/AIridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2023MazdaCX-52.5 TurboN/AIridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2023MazdaCX-502.5 TurboN/AIridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2023MazdaCX-9TouringN/AIridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2023ToyotaSequoiaN/AOE; Spark Plug - Iridium Long Life (SIP)
2023ToyotaTundraN/AOE; Spark Plug - Iridium Long Life (SIP)
2022LexusLS500RWDN/AOE; Spark Plug - Iridium Long Life (SIP)
2022LexusLX600Ultra LuxuryN/AOE; Spark Plug - Iridium Long Life (SIP)
2022MazdaCX-302.5 TurboN/AO.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2022MazdaCX-52.5 TurboN/AO.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2022MazdaCX-9TouringN/AO.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2022ToyotaTundraN/AOE; Spark Plug - Iridium Long Life (SIP)
2021LexusLS500N/AOE; Spark Plug - Iridium Long Life (SIP)
2021Mazda3N/AO.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2021Mazda6N/AO.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2021MazdaCX-30N/AO.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2021MazdaCX-5TouringN/AIridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2021MazdaCX-9N/AO.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2020LexusLS500N/AOE; Spark Plug - Iridium Long Life (SIP)
2020Mazda6N/AO.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2020MazdaCX-5N/AO.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2020MazdaCX-9N/AO.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2019LexusLS500N/AOE; Spark Plug - Iridium Long Life (SIP)
2019Mazda6N/AO.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2019MazdaCX-5N/AO.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2019MazdaCX-9N/AO.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2018LexusLS500N/AOE; Spark Plug - Iridium Long Life (SIP)
2018Mazda6N/AO.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2018MazdaCX-9N/AO.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
2017MazdaCX-9N/AO.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life (SIP)
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 352390919-0129590919-A1006EC22HPR-D7PY8V-18-110