PAI 621224 Detroit Diesel 60 Series Injector O-Ring Kit
Where to Buy
Verify compatibility with your vehicle or equipment before ordering. Prices and availability may vary.
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The PAI 621224 is a complete injector O-ring and seal kit for Detroit Diesel 50 / 60 Series 12.7L engines, replacing Detroit 5234702, 5234699, and 23511870. The kit services all six injectors with PAI 621216 upper O-rings, 621217 lower O-rings, and 631337 injector seals. Aftermarket kit; this is not an OEM Detroit kit.
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 621224 |
| Part Type | Injector O-Ring & Seal Kit |
| Services | Six (6) injectors — one engine |
| Engine Compatibility | Detroit Diesel Series 50 8.5L, Series 60 12.7L |
| Note | Aftermarket — not an OEM Detroit kit |
Kit Includes
- Upper Injector O-Ring — PAI 621216 (OEM Detroit 5234702 / F00HN34702) (qty 6)
- Lower Injector O-Ring — PAI 621217 (OEM Detroit 5234699 / DDE5234699) (qty 12)
- Injector Seal — PAI 631337 (OEM Detroit 23511870) (qty 6)
Cross References
Component-level OEM cross references contained in this kit:
- Detroit Diesel (upper O-ring): 5234702, 05234702, F00HN34702
- Detroit Diesel (lower O-ring): 5234699, DDE5234699
- Detroit Diesel (injector seal): 23511870
Applications
This injector O-ring kit fits the following Detroit Diesel engines:
- Detroit Diesel Series 60 12.7L (1987–2007)
- Detroit Diesel Series 50 8.5L (1992–2008)
Representative vehicles using these engines:
- Freightliner Argosy, Century Class, Classic, Columbia, FLD120, Coronado (1995–2007)
- Western Star 4900, 5900 (1995–2007)
- Sterling A9500, AT9500 (1999–2007)
- International 9200i / 9400i with Series 60 (1999–2007)
- Transit and shuttle buses with Series 50 (Orion, Nova, Gillig)
Verify your engine serial number and injector configuration before ordering. Series 60 14L and DD13/DD15/DD16 use different injector sealing kits.