Intelligence New! Shop by Manufacturer Shop by Category Shop by Truck
Track/Return Order Contact Us About FinditParts Join FinditParts Pro Industry News & Insights

Need help? We're here!

(888) 312-8812
Login Signup
Electrical & Lighting Engine & Drivetrain Brakes, Suspension, & Steering Body Tire & Wheel Other Parts & Supplies Top Searches

FREE GROUND SHIPPING

ON QUALIFYING ORDERS OVER $499

Engine Core Plug

1–48 of 282 results

Dorman 555-025.1
Dorman logo
Top Seller

Dorman 555-025.1 Steel Cup Expansion Plug 1-3/8 In., Height 0.340

Engine Core Plug

5550251 DORMAN Steel Cup Expansion Plug 1-3/8 In., Height 0.340 00019495794455

$0.77

In Stock
Dorman 02608
Dorman logo
Top Seller

Dorman 02608 Rubber Expansion Plug 3/4 In. - Size Range 3/4 In. - 7/8 In.

Engine Core Plug

02608 DORMAN Rubber Expansion Plug 3/4 In. - Size Range 3/4 In. - 7/8 In. 00037495026086

$6.49

In Stock
Dorman 555-002
Dorman logo
Top Seller

Dorman 555-002 Steel Cup Expansion Plug 7/16 In., Height 0.250

Engine Core Plug

555002 DORMAN Steel Cup Expansion Plug 7/16 In., Height 0.250 00019495555025

$12.99

In Stock
Dorman 550-002
Dorman logo
Top Seller

Dorman 550-002 "Autograde" Concave Steel Cup Expansion Plug 7/16 in., Height 0.435 in.

Engine Core Plug

550002 DORMAN "Autograde" Concave Steel Cup Expansion Plug 7/16 in., Height 0.435 in. 00019495550020

$2.88

In Stock
Dorman 570-008
Dorman logo
Top Seller

Dorman 570-008 Rubber Expansion Plug 1-3/8 In. - Size Range 1-3/8 In. - 1-1/2 In.

Engine Core Plug

570008 DORMAN Rubber Expansion Plug 1-3/8 In. - Size Range 1-3/8 In. - 1-1/2 In. 00019495570080

$8.99

In Stock
Dorman 555-030
Dorman logo
Top Seller

Dorman 555-030 Steel Cup Expansion Plug 1-5/8 In., Height 0.500

Engine Core Plug

555030 DORMAN Steel Cup Expansion Plug 1-5/8 In., Height 0.500 00019495555308

$15.99

In Stock
Dorman 555-044
Dorman logo
Top Seller

Dorman 555-044 Steel Cup Expansion Plug 2 In., Height 0.566

Engine Core Plug

555044 DORMAN Steel Cup Expansion Plug 2 In., Height 0.566 00019495555445

$2.56

In Stock
Dorman 555-034
Dorman logo
Top Seller

Dorman 555-034 Steel Cup Expansion Plug 1-3/4 In., Height 0.430

Engine Core Plug

555034 DORMAN Steel Cup Expansion Plug 1-3/4 In., Height 0.430 00019495555346

$19.49

In Stock
Dorman 550-023
Dorman logo
Top Seller

Dorman 550-023 Concave Steel Cup Expansion Plug 1-5/8 In., Height 1.620 In.

Engine Core Plug

550023 DORMAN Concave Steel Cup Expansion Plug 1-5/8 In., Height 1.620 In. 00019495550235

$14.49

In Stock
Dorman 555-018
Dorman logo
Top Seller

Dorman 555-018 Steel Cup Expansion Plug 1 In., SC, Height 0.250, Pack of 10

Engine Core Plug

555018 DORMAN Steel Cup Expansion Plug 1 In., SC, Height 0.250, Pack of 10 00019495555186

$12.49

In Stock
Cummins 3900687
Cummins logo
Top Seller

Cummins 3900687 Engine Expansion Plug

Engine Core Plug

3900687 CUMMINS Engine Expansion Plug

$12.99

In Stock
Dorman 550-034
Dorman logo
Top Seller

Dorman 550-034 Concave Steel Cup Expansion Plug 3 In., Height 2.995 In.

Engine Core Plug

550034 DORMAN Concave Steel Cup Expansion Plug 3 In., Height 2.995 In. 00019495550341

$41.49

In Stock
Dorman 570-006
Dorman logo
Top Seller

Dorman 570-006 Rubber Expansion Plug 1-1/8 In. - Size Range 1-1/8 In. - 1-1/4 In.

Engine Core Plug

570006 DORMAN Rubber Expansion Plug 1-1/8 In. - Size Range 1-1/8 In. - 1-1/4 In. 00019495570066

$36.49

In Stock
Dorman 555-019
Dorman logo
Top Seller

Dorman 555-019 Steel Cup Expansion Plug 1-1/8 In., Height 0.505

Engine Core Plug

555019 DORMAN Steel Cup Expansion Plug 1-1/8 In., Height 0.505 00019495555193

$15.49

In Stock
Dorman 555-030.1
Dorman logo
Top Seller

Dorman 555-030.1 Steel Cup Expansion Plug 1-5/8 In., Height 0.500

Engine Core Plug

5550301 DORMAN Steel Cup Expansion Plug 1-5/8 In., Height 0.500 00019495794509

$2.53

In Stock
Dorman 555-094
Dorman logo
Top Seller

Dorman 555-094 Steel Cup Expansion Plug 50mm, Height 0.420

Engine Core Plug

555094 DORMAN Steel Cup Expansion Plug 50mm, Height 0.420 00019495555940

$1.61

In Stock
Dorman 02606
Dorman logo
Top Seller

Dorman 02606 Rubber Expansion Plug 1-7/8 In. - Size Range 1-7/8 In. - 2 In.

Engine Core Plug

02606 DORMAN Rubber Expansion Plug 1-7/8 In. - Size Range 1-7/8 In. - 2 In. 00037495026062

$7.49

In Stock
Blumaq CS75312133
Top Seller

Blumaq CS75312133 Engine Core Plug

Engine Core Plug

cs75312133 BLUMAQ Engine Core Plug

$3.15

In Stock
Cummins 143066
Cummins logo
Top Seller

Cummins 143066 Engine Expansion Plug

Engine Core Plug

143066 CUMMINS Engine Expansion Plug

$11.49

In Stock
Cummins 156075
Cummins logo
Top Seller

Cummins 156075 Engine Expansion Plug

Engine Core Plug

156075 CUMMINS Engine Expansion Plug

$11.49

In Stock
Cummins 3901969
Cummins logo
Top Seller

Cummins 3901969 Engine Expansion Plug

Engine Core Plug

3901969 CUMMINS Engine Expansion Plug

$13.99

In Stock
Cummins 3007635
Cummins logo
Top Seller

Cummins 3007635 Engine Expansion Plug

Engine Core Plug

3007635 CUMMINS Engine Expansion Plug

$11.49

In Stock
Cummins 3905401
Cummins logo
Top Seller

Cummins 3905401 Engine Core Plug

Engine Core Plug

3905401 CUMMINS Engine Core Plug

$10.49

In Stock
Peterbilt 2271334
Peterbilt logo
Top Seller

Peterbilt 2271334 Engine Core Plug - 45mm Diameter

Engine Core Plug

2271334 PETERBILT Engine Core Plug - 45mm Diameter

$3.58

In Stock
Dorman 555-012
Dorman logo
Top Seller

Dorman 555-012 Steel Cup Expansion Plug 3/4 In., Height 0.250

Engine Core Plug

555012 DORMAN Steel Cup Expansion Plug 3/4 In., Height 0.250 00019495555124

$12.49

In Stock
Dorman 555-104
Dorman logo
Top Seller

Dorman 555-104 Steel Cup Expansion Plug 34.3mm, Height 0.497

Engine Core Plug

555104 DORMAN Steel Cup Expansion Plug 34.3mm, Height 0.497 00019495556046

$2.06

In Stock
Dorman 550-025
Dorman logo
Top Seller

Dorman 550-025 Concave Steel Cup Expansion Plug 1-3/4 In., Height .145 In.

Engine Core Plug

550025 DORMAN Concave Steel Cup Expansion Plug 1-3/4 In., Height .145 In. 00019495550259

$13.49

In Stock
Dorman 02483
Dorman logo
Top Seller

Dorman 02483 Expansion Plug Quick Seal Copper - 1-5/8 In., Maximum Expansion 1.655 In.

Engine Core Plug

02483 DORMAN Expansion Plug Quick Seal Copper - 1-5/8 In., Maximum Expansion 1.655 In. 00037495024839

$15.99

In Stock
Dorman 555-098
Dorman logo
Top Seller

Dorman 555-098 Steel Cup Expansion Plug 45mm, Height 0.440

Engine Core Plug

555098 DORMAN Steel Cup Expansion Plug 45mm, Height 0.440 00019495555988

$13.49

In Stock
Dorman 555-028
Dorman logo
Top Seller

Dorman 555-028 Steel Cup Expansion Plug 1-1/2 In., Height 0.480

Engine Core Plug

555028 DORMAN Steel Cup Expansion Plug 1-1/2 In., Height 0.480 00019495555285

$2.20

In Stock
Dorman 565-027
Dorman logo
Top Seller

Dorman 565-027 Brass Cup Expansion Plug 1-1/2 In., Height 0.570

Engine Core Plug

565027 DORMAN Brass Cup Expansion Plug 1-1/2 In., Height 0.570 00019495565277

$42.49

In Stock
Dorman 555-025
Dorman logo
Top Seller

Dorman 555-025 Steel Cup Expansion Plug 1-3/8 In., Height 0.340

Engine Core Plug

555025 DORMAN Steel Cup Expansion Plug 1-3/8 In., Height 0.340 00019495555254

$1.89

In Stock
Dorman 555-013
Dorman logo
Top Seller

Dorman 555-013 Steel Cup Expansion Plug 13/16 In., Height 0.330

Engine Core Plug

555013 DORMAN Steel Cup Expansion Plug 13/16 In., Height 0.330 00019495555131

$12.49

In Stock
Dorman 555-084
Dorman logo
Top Seller

Dorman 555-084 Steel Cup Expansion Plug 2-1/4 In., Height 0.370

Engine Core Plug

555084 DORMAN Steel Cup Expansion Plug 2-1/4 In., Height 0.370 00019495555841

$2.69

In Stock
PAI 040086
PAI logo
Top Seller

PAI 040086 EXPANSION PLUG

PAI

Engine Core Plug

040086 PAI EXPANSION PLUG 00193807164188

$1.45

In Stock
PAI 040090
PAI logo
Top Seller

PAI 040090 Engine Core Plug - 2-3/8in OD x .09in Thick Steel

PAI

Engine Core Plug

040090 PAI Engine Core Plug - 2-3/8in OD x .09in Thick Steel 00193807164294

$14.30

Package Price for 5 Units
@ $2.86 per unit

In Stock
PAI 3492
PAI logo
Top Seller

PAI 3492 PLUG

PAI

Engine Core Plug

3492 PAI PLUG 00193807205195

$16.90

Package Price for 10 Units
@ $1.69 per unit

In Stock
PAI 3495
PAI logo
Top Seller

PAI 3495 PLUG

PAI

Engine Core Plug

3495 PAI PLUG 00193807205218

$12.25

Package Price for 5 Units
@ $2.45 per unit

In Stock
PAI 040093
PAI logo
Top Seller

PAI 040093 Engine Core Plug - 2-1/4in Nominal OD 5/16in Deep .06in Thick Steel

PAI

Engine Core Plug

040093 PAI Engine Core Plug - 2-1/4in Nominal OD 5/16in Deep .06in Thick Steel 00193807164348

$12.81

Package Price for 3 Units
@ $4.27 per unit

In Stock
PAI 3482
PAI logo
Top Seller

PAI 3482 Engine Core Plug - 1-1/2in OD x .09in 38.10mm OD x 2.29mm Thickness Steel

PAI

Engine Core Plug

3482 PAI Engine Core Plug - 1-1/2in OD x .09in 38.10mm OD x 2.29mm Thickness Steel 00193807205089

$22.30

Package Price for 5 Units
@ $4.46 per unit

In Stock
Dorman 555-017
Dorman logo
Top Seller

Dorman 555-017 Steel Cup Expansion Plug 1 In., Height 0.440

Engine Core Plug

555017 DORMAN Steel Cup Expansion Plug 1 In., Height 0.440 00019495555179

$12.49

In Stock
Dorman 565-100
Dorman logo
Top Seller

Dorman 565-100 Brass Cup Expansion Plug 30mm, Height 0.301

Engine Core Plug

565100 DORMAN Brass Cup Expansion Plug 30mm, Height 0.301 00019495566007

$42.49

In Stock
Dorman 555-038
Dorman logo
Top Seller

Dorman 555-038 Steel Cup Expansion Plug 1-7/8 In., Height 0.380

Engine Core Plug

555038 DORMAN Steel Cup Expansion Plug 1-7/8 In., Height 0.380 00019495555384

$19.99

In Stock
Dorman 555-104.1
Dorman logo
Top Seller

Dorman 555-104.1 Steel Cup Expansion Plug 34.3mm, Height 0.497

Engine Core Plug

5551041 DORMAN Steel Cup Expansion Plug 34.3mm, Height 0.497 00019495551041

$2.18

In Stock
Dorman 555-097
Dorman logo
Top Seller

Dorman 555-097 Steel Cup Expansion Plug 25mm, Height 0.250

Engine Core Plug

555097 DORMAN Steel Cup Expansion Plug 25mm, Height 0.250 00019495555971

$12.49

In Stock
Dorman 570-007
Dorman logo
Top Seller

Dorman 570-007 Rubber Expansion Plug 1-1/4 In. - Size Range 1-1/4 In. - 1-3/8 In.

Engine Core Plug

570007 DORMAN Rubber Expansion Plug 1-1/4 In. - Size Range 1-1/4 In. - 1-3/8 In. 00019495570073

$37.49

In Stock
Dorman 555-052
Dorman logo
Top Seller

Dorman 555-052 Steel Cup Expansion Plug 2-1/4 In., Height 0.565

Engine Core Plug

555052 DORMAN Steel Cup Expansion Plug 2-1/4 In., Height 0.565 00019495555520

$21.49

In Stock
Dorman 565-012
Dorman logo
Top Seller

Dorman 565-012 Brass Cup Expansion Plug 3/4 In., Height 0.250

Engine Core Plug

565012 DORMAN Brass Cup Expansion Plug 3/4 In., Height 0.250 00019495565123

$11.99

In Stock
Next

Related Articles