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Spark Plug Insert

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Cylinder Head Repair Kit
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Dorman - Help Cylinder Head Repair Kit

Part # 42025
(34 reviews)
limited lifetime replacement
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Helicoil Insert - Standard Fine - 7/16"-20 x .656 - Material Stainless Steel
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Heli-Coil Helicoil Insert - Standard Fine - 7/16"-20 x .656 - Material Stainless Steel

Part # R1191-7
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Heli-Coil Insert - Spark Plug, Normal Reach 7/16" - 14-1.25mm - Material Stainless steel
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Heli-Coil Heli-Coil Insert - Spark Plug, Normal Reach 7/16" - 14-1.25mm - Material Stainless steel

Part # R513
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Helicoil Insert - Standard Coarse Packaged - 3/8"-16 x .562 - Material Stainless Steel
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Heli-Coil Helicoil Insert - Standard Coarse Packaged - 3/8"-16 x .562 - Material Stainless Steel

Part # R1185-6
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Thread Repair Inserts, SAE, Coarse, 1/4-20
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Heli-Coil Thread Repair Inserts, SAE, Coarse, 1/4-20

Part # R1185-4
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Heli-Coil Insert - Spark Plug, Normal Reach 1/2" - 14-1.25mm - Material Stainless steel
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Heli-Coil Heli-Coil Insert - Spark Plug, Normal Reach 1/2" - 14-1.25mm - Material Stainless steel

Part # R513-13
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Inserts M12X1.25 6Pk
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Heli-Coil Inserts M12X1.25 6Pk

Part # HELR4649-12
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Helicoil Insert - Standard Coarse Packaged - 8-32 x .246 - Material Stainless Steel
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Heli-Coil Helicoil Insert - Standard Coarse Packaged - 8-32 x .246 - Material Stainless Steel

Part # R1185-2
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Helicoil Insert - Metric Coarse Packaged - M12-1.75 x 18mm - Material Stainless Steel
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Heli-Coil Helicoil Insert - Metric Coarse Packaged - M12-1.75 x 18mm - Material Stainless Steel

Part # R1084-12
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Helicoil Insert - Standard Fine - 1/4"-28 x .375 - Material Stainless Steel
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Heli-Coil Helicoil Insert - Standard Fine - 1/4"-28 x .375 - Material Stainless Steel

Part # R1191-4
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Helicoil Insert - Standard Coarse Packaged - 3/4"-10 x 1.125 - Material Stainless Steel
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Heli-Coil Helicoil Insert - Standard Coarse Packaged - 3/4"-10 x 1.125 - Material Stainless Steel

Part # R1185-12
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Heli-Coil Insert - Spark Plug, Normal Reach 1/2" - 18-1.50mm - Material Stainless steel
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Heli-Coil Heli-Coil Insert - Spark Plug, Normal Reach 1/2" - 18-1.50mm - Material Stainless steel

Part # R514-6
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Helicoil Insert - Metric Fine - M12-1.5 x 18mm - Material Stainless Steel
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Heli-Coil Helicoil Insert - Metric Fine - M12-1.5 x 18mm - Material Stainless Steel

Part # R3745-12
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Helicoil Insert - Standard Fine - 3/8"-24 x .562 - Material Stainless Steel
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Heli-Coil Helicoil Insert - Standard Fine - 3/8"-24 x .562 - Material Stainless Steel

Part # R1191-6
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Helicoil Insert - Standard Fine - 5/16"-24 x .469 - Material Stainless Steel
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Heli-Coil Helicoil Insert - Standard Fine - 5/16"-24 x .469 - Material Stainless Steel

Part # R1191-5
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Thread Chaser
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OTC Thread Chaser

Part # 7402
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30 day replacement if defective
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Helicoil Insert - Standard Coarse Packaged - 5/8"-11 x .938 - Material Stainless Steel
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Heli-Coil Helicoil Insert - Standard Coarse Packaged - 5/8"-11 x .938 - Material Stainless Steel

Part # R1185-10
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M18x2.5/insrt-6/cd (sold by each)
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Heli-Coil M18x2.5/insrt-6/cd (sold by each)

Part # R1084-18
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