Best Deals This Week

Best Expansion Plugs Deals Online in the US (10 deals found)

Last Updated - March 15, 2026 Sort By:

Best Choice

New
Dsnaduo 6 Sizes (14pcs) Neoprene Rubber Expansion Plug 3/4" 7/8" 1" 1-1/8" 1-1/4" 1-3/8", Automotive Rubber Freeze Frost Plug Fit Hole Size: 3/4"~1-1/2" (19mm~38mm)
It includes 6 Sizes (14pcs) 14 pcs Plugs

$19.88
New
Daptemn 16PCS Expandable Freeze Rubber Plugs Kit, 8 Sizes Automotive Engine Rubber Expansion Freeze Plugs Fit Hole 3/4" 7/8" 1" 1-1/8" 1-1/4" 1-3/8" 1-1/2" 1-5/8"
YOU WILL GET: 16PCS Rubber expansion plugs, 8 different freeze plug sizes, can mostly meet your replacement of freeze plugs for automotive engines

$23.99
New
Dsnaduo Rubber Expansion Plug (1-5/8 Inch to 1-3/4 Inch) 41mm - 44mm，2-Pack Neoprene Expansion Plug Replace Automotive Engine Expansion Plugs 58254, 570-010
Replacement Rubber Expansion Plug/Rubber Freeze Plug/ Exhaust Pressure Test Plug

$8.88
New
Siptenk 27pcs Expandable Freeze Rubber Plugs Assortment Kit, 13 Sizes Automotive Frost Expansion Plug Fit Hole 3/4" to 2-3/8" (19mm - 60mm)
3/4" 7/8" 1" 1-1/8" 1-1/4" 1-3/8" RUBBER EXPENSION PLUGS: Type 3/4" fit hole: 3/4" - 7/8" (19mm - 22mm); Type 7/8" fit hole: 7/8" - 1" (22mm - 25mm); Type 1" fit hole: 1" - 1-1/8" (25mm - 28mm); Type 1-1/8" fit hole: 1-1/8" - 1-1/4" (28mm - 31mm); Type 1-1/4" fit hole: 1-1/4" - 1-3/8" (31mm - 34mm); Type 1-3/8" fit hole: 1-3/8" - 1-1/2" (34mm - 38mm);

$43.99
Best Value

New
Oatey 33403 Plastic Plug (with Galvanized screw and wing nut), 4-Inch, Red
End-of-pipe plug seals or holds pressure to test piping system

$9.71
17% Off

New
6PCS Rubber Freeze Plugs 3/4" 7/8" 1" 1-1/8" 1-1/4" 1-3/8",Rubber Plugs Automotive for 19mm-38mm Hole Inner Diameter,Universal Car Accessories Replace Engine Expansion Plug
Precision Construction: The expansion freeze plug designed as a precision 6-layer structure, from top to bottom in order of hexagonal nuts, center opening iron sheet, rubber gasket, iron chassis, O-sealing ring, and iron carriage bolt, makes a tight seal

$9.99 $11.99
11% Off

New
Pool Winterizing Plug by Aquatix Pro Premium 1.7" to 2" Swimming Pool Winter Expansion Plugs with SS Screw, Stainless Steel Bolts, Heavy Duty Rubber, Protect Your Equipment Today!
PLUG. PROTECT. FORGET: Your search for the perfect pool winter plug is over! Use the Aquatix Pro 1.7" to 2" freeze plugs to protect your pool against the harsh winter season. A simple solution which prevents your pool from running into serious damage.

$7.95 $8.95
44% Off

New
Cherne 269840 Kwik 'N Sure 1/2 in. Mechanical Plug
Works in all types of pipe

$5.56 $9.99
New
ADKUN 2 1/2 inch Pool Winterizing Plug Premium 2" to 2.5",PVC/Steel Expansion Pipe Plug，Swimming Pool Winter Expansion Plugs with SS Screw, Stainless Steel Bolts
Package includes: 1x Pool winterizing plugs

$11.80
New
Dsnaduo 3 Sizes (6pcs) Rubber Expansion Plug, Fit Hole Size: 3/4"~1-1/8" (19mm~28mm) Automotive Rubber Freeze Plug
It includes 6 pcs Plugs

$10.88

10 Expansion Plugs deals are available from: Amazon stores, starting from $5.56.
The biggest discount we found is 44% on Cherne 269840 Kwik 'N Sure 1/2 in. Mechanical Plug at Amazon.
The lowest price we found is $5.56 while the highest is $43.99.
Prices for the best Expansion Plugs deals average at $15.26.
Last updated on March 15, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Expansion Plugs.