1974 Mercury Monterey Engine Expansion Plugs
Save up to 40% on original replacement 1974 Mercury Monterey Engine Expansion Plugs. Navigate our online catalogue to find Engine Expansion Plugs and other parts designed specifically to fit a 1974 Mercury Monterey.






Engine Expansion Plug
$18.71
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8;
Engine Base: 6.6L 400ci V8;
Vehicle Fitment Notes:
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box





Engine Expansion Plug
$18.71
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6555cc 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 6555cc 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box





Engine Expansion Plug
$18.71
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6556cc 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 6556cc 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box





Engine Expansion Plug
$18.71
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8;
Engine Base: 7.5L 460ci V8;
Vehicle Fitment Notes:
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box





Engine Expansion Plug
$18.71
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 7539cc 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 7539cc 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box





Engine Expansion Plug
$17.63
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8;
Engine Base: 6.6L 400ci V8;
Vehicle Fitment Notes:
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box





Engine Expansion Plug
$17.63
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6555cc 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 6555cc 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box





Engine Expansion Plug
$17.63
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6556cc 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 6556cc 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box





Engine Expansion Plug
$17.63
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8;
Engine Base: 7.5L 460ci V8;
Vehicle Fitment Notes:
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box





Engine Expansion Plug
$17.63
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 7539cc 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 7539cc 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box



Engine Expansion Plug
$14.21
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle Fitment Notes:
2 Required Pipe Plug Package Quantity: 5 Dorman - AutoGrade - Boxed Packaging Type: Box
2 Required Pipe Plug Package Quantity: 5 Dorman - AutoGrade - Boxed Packaging Type: Box





Engine Expansion Plug
$14.71
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8;
Engine Base: 6.6L 400ci V8;
Vehicle Fitment Notes:
2 Required Thermactor Holes 1/2 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
2 Required Thermactor Holes 1/2 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box





Engine Expansion Plug
$14.71
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6555cc 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 6555cc 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
2 Required Thermactor Holes 1/2 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
2 Required Thermactor Holes 1/2 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box





Engine Expansion Plug
$14.71
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6556cc 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 6556cc 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
2 Required Thermactor Holes 1/2 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
2 Required Thermactor Holes 1/2 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box



Engine Expansion Plug
$3.56
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8;
Engine Base: 6.6L 400ci V8;
Vehicle Fitment Notes:
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag



Engine Expansion Plug
$3.56
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6555cc 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 6555cc 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag



Engine Expansion Plug
$3.56
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6556cc 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 6556cc 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag



Engine Expansion Plug
$3.56
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8;
Engine Base: 7.5L 460ci V8;
Vehicle Fitment Notes:
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag



Engine Expansion Plug
$3.56
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 7539cc 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 7539cc 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag


Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8;
Engine Base: 6.6L 400ci V8;
Vehicle Fitment Notes:
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag


Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6555cc 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 6555cc 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag


Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6556cc 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 6556cc 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag


Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8;
Engine Base: 7.5L 460ci V8;
Vehicle Fitment Notes:
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag


Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 7539cc 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 7539cc 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Steel .060 In. Oversized 1.562 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag


Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8;
Engine Base: 6.6L 400ci V8;
Vehicle Fitment Notes:
2 Required Thermactor Holes 1/2 In. Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
2 Required Thermactor Holes 1/2 In. Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag


Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6555cc 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 6555cc 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
2 Required Thermactor Holes 1/2 In. Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
2 Required Thermactor Holes 1/2 In. Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag


Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6556cc 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 6556cc 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
2 Required Thermactor Holes 1/2 In. Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
2 Required Thermactor Holes 1/2 In. Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag


Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8;
Engine Base: 6.6L 400ci V8;
Vehicle Fitment Notes:
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag


Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6555cc 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 6555cc 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag


Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6556cc 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 6556cc 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag


Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8;
Engine Base: 7.5L 460ci V8;
Vehicle Fitment Notes:
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag


Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 7539cc 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 7539cc 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Shallow Cup Type Steel 1.50 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag