Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededDENSOPART NUMBER: 313-5728
5728 Iridium Performance IWM01-32 Spark Plug, Heat Range: 32
$3499
Ships on 09/16/2026
Lowest Price Guarantee14mm Thread x 19mm Reach
20.6mm Hex
Flat Seat
20.6mm Hex
Flat Seat
Iridium Performance IWM01-32 Spark PlugHeat Range: 32 Full Platinum Flat Seat 14.00mm Thread Diameter Copper Center Core Material Sold Individually
Denso 5728 Features:
- Resistance: 5000.0
- Ground Electrode Tip Design: Full Platinum
- Ground Configuration: Slant
- Ground Electrode Core Material: Nickel
- Center Electrode Core Material: Copper
- Center Electrode Tip Material: Iridium
- Pre-Gap Size: 0.6 mm
- Ground Electrode Quantity: 1
- Hex Size: 20.6 mm
- Manufacturer Heat Range: 32
- Seat Type: Flat
- Reach: 19.00 mm
- Thread Diameter: 14.00 mm
Part TypeSpark Plug
BrandDENSO
Package Height1.18
Package Width1.18
Package Length3.54
Weight0.17 PG
Part CategoryPerformance Parts
Thread Diameter14.00 mm
Part FitmentSemi Universal
Vendor Part Number5728
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Self-Powered Timing Light [Powered by (2) D-Cell Batteries]](https://www.jegs.com/images/mini_200/500/555/555-w80578.jpg)
JEGS
Self-Powered Timing Light [Powered by (2) D-Cell Batteries]
Part Number : 555-W80578
$4799$52.99
You Save$5.00
![Spark Plug Wire Boot Guards, Black [Set of 8]](https://www.jegs.com/images/mini_200/500/555/555-40300.jpg)
![Spark Plug Wire Boot Guards, Red [Set of 8]](https://www.jegs.com/images/mini_200/500/555/555-40302.jpg)
![Spark Plug Wire Boot Guards, Blue [Set of 8]](https://www.jegs.com/images/mini_200/500/555/555-40304.jpg)
![Spark Plug Wire Boot Guards, Silver [Set of 8]](https://www.jegs.com/images/mini_200/500/555/555-40310.jpg)
THERMO TEC
High Temperature Ignition & Plug Wire Sleeves 3/8" x 25ft
Part Number : 893-14040
$6553$72.82
You Save$7.29
JEGS
Heavy Duty Circuit Tester for 6, 12 & 24 Volt Systems
Part Number : 555-80569
$899$9.99
You Save$1.00
![Spark Plug Socket Set, 3/8 in. Drive [SAE/Metric 5-Piece]](https://www.jegs.com/images/mini_200/500/555/555-80509.jpg)
JEGS
Spark Plug Socket Set, 3/8 in. Drive [SAE/Metric 5-Piece]
Part Number : 555-80509
$1929$20.99
You Save$1.70
JEGS
3/8 in. Drive 5/8 in. Extended Spark Plug Socket
Part Number : 555-W80533
$1499$16.99
You Save$2.00
JEGS
Part Number : 555-W80578
$4799$52.99
You Save$5.00
ITEM YOU MAY ALSO CONSIDER
Some parts are not legal for use in California or other states with similar laws / regulations
