| Customer Reviews | 4.7 out of 5 stars 31 | 4.7 out of 5 stars 31 | 4.7 out of 5 stars 31 | 4.7 out of 5 stars 31 | — | — | — |
| Price | $57.29$57.29 | $51.29$51.29 | — | — | $71.29$71.29 | $126.29$126.29 | — |
| Replace OE | 18B4989 | 18B4988 | 18B4988 18B4989 | - | 18B4988 D1159 | 18B4988 18B4989 D1159 | - |
| Replace Position | Front Passenger Side | Front Driver Side | Front Driver & Passenger Side | Front & Rear | Front Side | Front Driver & Passenger Side | Front & Rear |
| Piston Size | 45 mm(1.77") | 45 mm(1.77") | 45 mm(1.77") | 45 mm(1.77"); 38 mm(1.5") | 45 mm(1.77") | 45 mm(1.77") | 45 mm(1.77"); 38 mm(1.5") |
| Inlet Port Size | M10 x 1.5 | M10 x 1.5 | M10 x 1.5 | M10 x 1.5 | M10 x 1.5 | M10 x 1.5 | M10 x 1.5 |
| Bleeder Port Size | M10 x 1.5 | M10 x 1.5 | M10 x 1.5 | M10 x 1.5 | M10 x 1.5 | M10 x 1.5 | M10 x 1.5 |
| Piston Material | Iron | Iron | Iron | Iron | Iron | Iron | Iron |
| Piston Count | 2 Pistons | 2 Pistons | 2 Pistons | 2 Pistons; 1 Piston | 2 Pistons | 2 Pistons | 2 Pistons; 1 Piston |
| Bracket Included | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Vehicle Fitment | For Buick,For Chevy | For Buick,For Chevy | For Buick,For Chevy | For Chevy | For Chevy,For Buick | For Chevy,For Buick | For Chevy |
| Product Quantity | 1 PC | 1 PC | 2 PCS | 4 PCS | 5 PCS | 6 PCS | 12 PCS |