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OE Quality
60-Day Returns
MahlePart #: S42104.030
Mahle S42104.030 Engine Piston Ring Set
⚙️ 2 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$62.22Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, F-250 and F-350
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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Mahle S42104.030 Engine Piston Ring Set
| Brand | Mahle |
| Part Number | S42104.030 |
| Bore Diameter (in) | 4.140 |
| Item Grade | Premium |
| Oil Ring Assembly Groove Type | 2 pc. |
| Oil Ring Assembly Material | Cast iron |
| Oil Ring Assembly Thickness (Axial Height) | 0.136 in |
| Piston Ring Face Coating | Plasma-moly |
| Piston Ring Oversize | 0.030 in |
| Second Ring Material | Ductile iron |
| Second Ring Thickness (Axial Height) | 0.098 in |
| Top Ring Material | Ductile iron |
| Top Ring Thickness (Axial Height) | 0.124 in |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1994 | Ford | F-250 | 7.3L | V8 | N/A | Size 0.030in; Material Grade Premium; Material UCR-Ductile Iron; LCR-Ductile Iron; OCR-Cast Iron; Facing UCR-Plasme-Moly; LCR-Chrome; OCR-Chrome; Axial Height UCR-3.14mm; LCR-2.5mm; OCR-3.45mm; Ring Type UCR:RFK-18PF; LCR:TFK-18U; OCR: GCL-40URW; Single Cylinder Set; HD Application |
| 1994 | Ford | F-350 | 7.3L | V8 | N/A | Size 0.030in; Material Grade Premium; Material UCR-Ductile Iron; LCR-Ductile Iron; OCR-Cast Iron; Facing UCR-Plasme-Moly; LCR-Chrome; OCR-Chrome; Axial Height UCR-3.14mm; LCR-2.5mm; OCR-3.45mm; Ring Type UCR:RFK-18PF; LCR:TFK-18U; OCR: GCL-40URW; Single Cylinder Set; HD Application |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.