Product Description
Diamond Eye 121051 is the passenger-side, second section 4.0" tailpipe for 1999–early 2003 Ford F-250/F-350 Super Duty 7.3L Power Stroke Cab & Chassis trucks. It’s mandrel-bent for flow and built for work-truck durability. This part is the long tailpipe section (not a tip), and it mates to a 4" system on the passenger side, single exit.
Fitment
- Ford F-250 / F-350 Super Duty — 7.3L Power Stroke (Cab & Chassis), model years 1999–early 2003 (passenger side, second section), single.
- Main pipe diameter: 4.0".
Why CPP Diesel
- Verified Diamond Eye fitment with real-world diesel expertise.
- Fast shipping options and friendly support from enthusiasts.
Cross-Reference / Alternatives (Diamond Eye-only)
- 121050 — First Section, 00–early 03 F-250/F-350 Cab & Chassis (passenger)
- 121026 — 4" Tailpipe, 94–03 Ford 7.3L (passenger)
- 4512BRA-DE — 4"→5"×12" Rolled-Angle Black Tip
- 5618RA — 5"→6"×18" Rolled-Angle Tip (304 SS)
Helpful Notes
- This is a full tailpipe section, not a short 12" tip (many listings mislabel it). Dimensions/weight reflect a long pipe section.
- Cab & Chassis fitment differs from pickup; confirm wheelbase & hanger positions before install.
Specifications
| Specifications for DIAMOND EYE 121051 | Details |
|---|---|
| Brand | Diamond Eye Performance |
| Part Number (MPN) | 121051 |
| UPC | 841963111798 |
| GTIN | 0841963111798 |
| Pipe Diameter | 4.0" (passenger side, second section) |
| Material | Aluminized steel |
| Vehicle Compatibility | 1999–early 2003 Ford F-250/F-350 Super Duty 7.3L (Cab & Chassis) |
| Shipping Weight | ~14 lb |
| Package Dimensions | ~53" × 13" × 9" |
| Country of Origin | USA (per distributor listings) |
| Prop 65 | Not listed as applicable by supplier |
| Shipping Method | Standard ground (oversize length) |
Will this fit my truck?
Yes, if you have a 1999–early 2003 7.3L Power Stroke Cab & Chassis (not pickup) with a 4" single system and need the passenger-side second section.
Is this stainless?
Authoritative listings show aluminized steel for 121051. If you need stainless for a similar configuration, see Diamond Eye 161003 (03–07 6.0L, stainless). :contentReference[oaicite:5]{index=5}
Do I need clamps or hardware?
Reuses system clamps/hangers; add a 4" band clamp if your existing hardware is worn.
