Hero image 0 of Valve Cover Gasket Compatible with Cummins QSC8.3 2002-2015 QSC 8.3 8.3L 6-cyl Diesel Rubber Power Unit 3939284, 0 of 3
Valve Cover Gasket Compatible with Cummins QSC8.3 2002-2015 QSC 8.3 8.3L 6-cyl Diesel Rubber Power Unit 3939284
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Key item features
- Rareelectrical Compatible With Case, Cummins, Hyundai
- Case Excavators: &Bull; Case Cx330/Cx350 Qsc 8.3L Diesel (2004-2012) Hyundai Excavators: &Bull; Hyundai R290lc-7/R305lc-7 Qsc 8.3L Diesel (2002-2010) Cummins Power Units: &Bull; Cummins Qsc8.3 Qsc 8.3L 6-Cyl Diesel (2002-2015) Important: This Valve Cover Gasket Fits The Cummins Qsc 8.3L 6-Cylinder Diesel. Supersedes Earlier Cummins Part Number 3930906 — If Your Parts Book Shows 3930906, This Is The Current Replacement. Do Not Confuse With Valve Cover Gaskets For The Isc 8.3 (Automotive/Truck Version) — The Qsc Is The Off-Highway/Industrial Variant And Gasket Dimensions May Differ. Failure Symptoms: Oil Weeping From Under The Valve Cover, Oil Dripping Onto The Exhaust Manifold Causing Smoke And Burning Smell, Or Oil Collecting In The Valve Cover Bolt Holes. The Rubber Gasket Hardens From Repeated Heat Cycles And Loses Its Ability To Seal. When Replacing, Clean Both The Valve Cover Rail And Cylinder Head Mating Surface. Inspect The Valve Cover Itself For Warping — A Warped Cover Will Not Seal Even With A New Gasket. Torque Bolts Evenly Using The Sequence In The Cummins Service Manual. ⚠️ Verify Qsc 8.3 Engine And Confirm Supersession From 3930906 If Referenced.
- Oem Part Numbers: &Bull; Cummins: 3939284 (Primary Oem) &Bull; Cummins: 3930906 (Superseded By 3939284) Specifications: &Bull; Gasket Location: Valve Cover &Bull; Material: Rubber &Bull; Type: Individual Gasket &Bull; Condition: New
- Source: Aftermarket
- One Year Manufacturer's Warranty.
Specs
- Manufacturer part numberC3939284A3
- Vehicle fitment typeSpecific
- BrandRareelectrical
- Vehicle typeTractor
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About this item
Product details
OEM PART NUMBERS:
- Cummins: 3939284 (Primary OEM)
- Cummins: 3930906 (Superseded by 3939284)
SPECIFICATIONS:
- Gasket Location: Valve Cover
- Material: Rubber
- Engine: QSC 8.3
- Displacement: 8.3L
- Cylinders: 6
- Aspiration: Turbocharged
- Fuel System: Electronic
- Type: Individual Gasket (not a set)
- Condition: New
APPLICATIONS:
- Case CX330/CX350 QSC 8.3L Diesel (2004-2012)
- Hyundai R290LC-7/R305LC-7 QSC 8.3L Diesel (2002-2010)
- Cummins QSC8.3 QSC 8.3L 6-cyl Diesel (2002-2015)
- Clean mating surfaces thoroughly before installation for proper seal.
⚠️ Verify OEM part number before ordering to ensure proper fitment.
IMPORTANT:
This valve cover gasket fits the Cummins QSC 8.3L 6-cylinder diesel. Supersedes earlier Cummins part number 3930906 — if your parts book shows 3930906, this is the current replacement. Do NOT confuse with valve cover gaskets for the ISC 8.3 (automotive/truck version) — the QSC is the off-highway/industrial variant and gasket dimensions may differ.
Failure symptoms: oil weeping from under the valve cover, oil dripping onto the exhaust manifold causing smoke and burning smell, or oil collecting in the valve cover bolt holes. The rubber gasket hardens from repeated heat cycles and loses its ability to seal. When replacing, clean both the valve cover rail and cylinder head mating surface. Inspect the valve cover itself for warping — a warped cover will not seal even with a new gasket. Torque bolts evenly using the sequence in the Cummins service manual.
⚠️ Verify QSC 8.3 engine and confirm supersession from 3930906 if referenced.
- Cummins: 3939284 (Primary OEM)
- Cummins: 3930906 (Superseded by 3939284)
SPECIFICATIONS:
- Gasket Location: Valve Cover
- Material: Rubber
- Engine: QSC 8.3
- Displacement: 8.3L
- Cylinders: 6
- Aspiration: Turbocharged
- Fuel System: Electronic
- Type: Individual Gasket (not a set)
- Condition: New
APPLICATIONS:
- Case CX330/CX350 QSC 8.3L Diesel (2004-2012)
- Hyundai R290LC-7/R305LC-7 QSC 8.3L Diesel (2002-2010)
- Cummins QSC8.3 QSC 8.3L 6-cyl Diesel (2002-2015)
- Clean mating surfaces thoroughly before installation for proper seal.
⚠️ Verify OEM part number before ordering to ensure proper fitment.
IMPORTANT:
This valve cover gasket fits the Cummins QSC 8.3L 6-cylinder diesel. Supersedes earlier Cummins part number 3930906 — if your parts book shows 3930906, this is the current replacement. Do NOT confuse with valve cover gaskets for the ISC 8.3 (automotive/truck version) — the QSC is the off-highway/industrial variant and gasket dimensions may differ.
Failure symptoms: oil weeping from under the valve cover, oil dripping onto the exhaust manifold causing smoke and burning smell, or oil collecting in the valve cover bolt holes. The rubber gasket hardens from repeated heat cycles and loses its ability to seal. When replacing, clean both the valve cover rail and cylinder head mating surface. Inspect the valve cover itself for warping — a warped cover will not seal even with a new gasket. Torque bolts evenly using the sequence in the Cummins service manual.
⚠️ Verify QSC 8.3 engine and confirm supersession from 3930906 if referenced.
- Rareelectrical Compatible With Case, Cummins, Hyundai
- Case Excavators: &Bull; Case Cx330/Cx350 Qsc 8.3L Diesel (2004-2012) Hyundai Excavators: &Bull; Hyundai R290lc-7/R305lc-7 Qsc 8.3L Diesel (2002-2010) Cummins Power Units: &Bull; Cummins Qsc8.3 Qsc 8.3L 6-Cyl Diesel (2002-2015) Important: This Valve Cover Gasket Fits The Cummins Qsc 8.3L 6-Cylinder Diesel. Supersedes Earlier Cummins Part Number 3930906 — If Your Parts Book Shows 3930906, This Is The Current Replacement. Do Not Confuse With Valve Cover Gaskets For The Isc 8.3 (Automotive/Truck Version) — The Qsc Is The Off-Highway/Industrial Variant And Gasket Dimensions May Differ. Failure Symptoms: Oil Weeping From Under The Valve Cover, Oil Dripping Onto The Exhaust Manifold Causing Smoke And Burning Smell, Or Oil Collecting In The Valve Cover Bolt Holes. The Rubber Gasket Hardens From Repeated Heat Cycles And Loses Its Ability To Seal. When Replacing, Clean Both The Valve Cover Rail And Cylinder Head Mating Surface. Inspect The Valve Cover Itself For Warping — A Warped Cover Will Not Seal Even With A New Gasket. Torque Bolts Evenly Using The Sequence In The Cummins Service Manual. ⚠️ Verify Qsc 8.3 Engine And Confirm Supersession From 3930906 If Referenced.
- Oem Part Numbers: &Bull; Cummins: 3939284 (Primary Oem) &Bull; Cummins: 3930906 (Superseded By 3939284) Specifications: &Bull; Gasket Location: Valve Cover &Bull; Material: Rubber &Bull; Type: Individual Gasket &Bull; Condition: New
- Source: Aftermarket
- One Year Manufacturer's Warranty.
info:
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Specifications
Manufacturer part number
C3939284A3
Vehicle fitment type
Specific
Brand
Rareelectrical
Vehicle type
Tractor
Warranty
Warranty information
RAREELECTRICAL products, when properly installed, are warranted against defects to the original purchaser for 1 year from date of purchase. Warranty does not cover failure due to accident, neglect or the result of normal wear & tear. Improper installation, careless handling or disassembly will void warranty. Failures due to rust, abuse, broken gears, housings or components shall not be considered for warranty, nor products used in applications which they were not intended. The sole responsibility of RAREELECTRICAL - if any - shall be the replacement of defective product. It is the responsibility of the customer to verify the correct information prior to purchasing any product from RAREELECTRICAL. All purchases made in error, bought by mistake, or returned to sender due to an incorrect address are subject to a 20% restocking fee & require a return authorization. In these cases, domestic return shipping costs will also be deducted from the refund using our discounted shipping rates.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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