SUBARU OUTBACK Pistons & Piston Rings

Piston Rings, Premium Ductile Ring Sets, Chrome, 3.917 in. Bore, 1.2mm, 1.2mm, 2.0mm Thickness, L4, Set of 4

Part Number: HSN-2C5219

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

Piston Rings, Carbon Steel Nitride Top, Iron Phosphate Second, Low Tension Oil, File Fit for 3.937 in. Bore, Standard, 1.2mm, 1.2mm, 2.5mm, H4, Set

Part Number: JEP-JG4904-3937

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Rings, Premium Ductile Ring Sets, 0.020 in. Oversize, 3.937 in. Bore, Chrome, 1.2mm, 1.2mm, 2.0mm Ring Thickness, H4, L4, Set of 4

Part Number: HSN-2C5219020

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

Engine Piston Ring Set, Engine Piston Ring Set

Part Number: MAH-42308CP

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Drop Ship
• Special Order

Engine Piston Ring Set, Engine Piston Ring Set

Part Number: MAH-42307CP

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Drop Ship
• Special Order

Engine Piston Ring Set, 4-Cyl Ring Set; Chrome

Part Number: HSN-2C5219030

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

Piston Rings, Premium Ductile Ring Sets, Chrome, 3.947 in. Bore, 100.250mm Bore 1.2mm, 1.2mm, 2.5mm Thickness, H4, L4, V4, Set

Part Number: HSN-2C5140030

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Drop Ship
• Special Order

Piston Rings, Premium Ductile Ring Sets, Chrome, 3.927 in. Bore, 99.750mm Bore,1.2mm, 1.2mm, 2.5mm Thickness, H4, L4, V4, Set

Part Number: HSN-2C5140010

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Drop Ship
• Special Order

Piston Rings, Premium Ductile Ring Sets, Chrome, 3.937 in. Bore, 100.000mm Bore 1.2mm, 1.2mm, 2.5mm Thickness, H4, L4, V4, Set

Part Number: HSN-2C5140020

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Drop Ship
• Special Order

Engine Piston Ring Set, Engine Piston Ring Set

Part Number: MAH-42308CP-020

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

Piston, Forged, Dish, 4-Valve Reliefs, 3.917 in. Bore, 3.110 in. Stroke, 5.138 in. Rod, 1.209 in. Compression, Subaru, Left, Each

Part Number: JEP-291061L

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston, Forged, Dish, 4-Valve Reliefs, 3.917 in. Bore, 3.110 in. Stroke, 5.138 in. Rod, 1.209 in. Compression, Subaru, Right, Each

Part Number: JEP-291061R

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston, Forged, Dish, 4-Valve Reliefs, 3.937 in. Bore, 3.110 in. Stroke, 5.138 in. Rod, 1.209 in. Compression, Subaru, Left. Each

Part Number: JEP-291062L

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston, Forged, Dish, 4-Valve Reliefs, 3.937 in. Bore, 3.110 in. Stroke, 5.138 in. Rod, 1.209 in. Compression, Subaru, Right, each

Part Number: JEP-291062R

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston, Forged, Dish, 4-Valve Reliefs, 3.937 in. Bore, 3.267 in. Stroke, 5.138 in. Rod, 1.130 in. Compression, Subaru, Left, Each

Part Number: JEP-291064L

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Piston Ring Set, Single Cyl Ring Set; Chrome

Part Number: HSN-2C5140S

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Drop Ship
• Special Order

Engine Piston Ring Set, 6-Cyl Ring Set; Chrome

Part Number: HSN-2C5863

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Piston Ring Set, 6-Cyl Ring Set; Chrome

Part Number: HSN-2C5877020

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Drop Ship
• Special Order

Piston Rings, Carbon Steel Nitride Top, Iron Phosphate Second, Low Tension Oil, File Fit for 3.917 in. Bore, Standard, 1.2mm, 1.2mm, 2.5mm, H4, Set

Part Number: JEP-JG4904-3917

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Piston Ring Set, Engine Piston Ring Set

Part Number: MAH-42308CP-010

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Drop Ship
• Special Order

Engine Piston Ring Set, Engine Piston Ring Set

Part Number: MAH-42307CP-010

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order