Availability

- In Stock Items. Ships Today. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (144) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Bore (in.)
- 3.380 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 4.039 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 4.130 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Bore (mm)
- 102.600mm (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 104.900mm (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 85.860mm (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Piston and Ring Oversize (in.)
- 0.040 in. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Standard (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Piston and Ring Oversize (mm)
- 1.000mm (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Standard (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Top Ring Thickness
- 1.5mm (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 5/64 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Top Ring Material
- Iron (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Steel (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Top Ring Facing Material
- Plasma-moly (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Phosphate coated (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Second Ring Thickness
- 1.5mm (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 1.75mm (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 5/64 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Oil Ring Thickness
- 3.0mm (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 3/16 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 4.0mm (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Oil Ring Material
- Stainless steel (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Make/Engine
Filter Options
- Stock Replacement (3)
Savings Central
- Clearance (1)

MERCURY COUGAR Piston Rings

Showing In Stock Items. Show All 144 Items.

Individual Parts

Part Groups

Results 1 - 3 of 3

Hastings Piston Ring Sets 595S

Piston Rings, Piston Ring Sets, Phosphate Coated, 4.130 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, Each

Part Number: HSN-595S

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Hastings Premium Ductile Ring Sets 2M4887S040

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4887S040

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Hastings Premium Ductile Ring Sets 2M4346S040

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4346S040

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 10, 2026 if ordered today

1

Page 1 of 1