Aluminum Pistons (If Equipped)
| Tools Needed | ||
|---|---|---|
| Part Number | Part Name | Quantity |
| 4C-8169 | Gauge (Piston Ring Groove) | 1 |
| 1U-6431 | Piston Ring Groove Gauge Gp | 1 |
| 5P-3519 | Piston Ring Groove Gauge Gp | 1 |
For 3408E or 3412E engines that have aluminum pistons with a top ring groove that is a keystone type, use the 4C-8169 Gauge (Piston Ring Groove) to check the top ring groove.
The intermediate piston ring groove is also a keystone design ring groove. The 1U-6431 Piston Ring Groove Gauge is available to check the intermediate ring groove in the piston.
Use the 5P-3519 Piston Ring Groove Gauge Gp to check the oil control ring groove in the piston.
| Tools Needed | ||
|---|---|---|
| Part Number | Part Name | Quantity |
| 132-4389 | Piston Ring Groove Gauge Gp | 1 |
| 5P-3519 | Piston Ring Groove Gauge Gp | 1 |
For 3408E or 3412E engines that have steel pistons with a top ring groove that is a keystone type, use the 132-4389 Piston Ring Groove Gauge Gp to check the top ring groove.
Use the 5P-3519 Piston Ring Groove Gauge Gp to check the intermediate ring groove and the oil control ring groove in the piston.
Refer to Guideline For Reusable Parts, "Pistons And Cylinder Liners" for information that relates to the reusability of pistons and related components.