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Valve Cover Gasket Compatible With Caterpillar 326F/329F/330F/335F 2012-2020 C7.1 7.01L 6-Cyl Diesel

B527-1641A1
OEM PART NUMBERS:
• Caterpillar: 527-1641 (Primary OEM)
• Perkins: T427303 (Perkins 1106D-E70TA equivalent)

SPECIFICATIONS:
• Gasket Location: Valve Cover
• Material: Rubber
• Type: Individual Gasket
• Condition: New

PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.

WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

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Description

CATERPILLAR EXCAVATORS:
• Caterpillar 326F/329F/330F/335F C7.1 7.1L Diesel (2012-2020)

CATERPILLAR MOTOR GRADERS:
• Caterpillar 120M2/140M3 C7.1 7.1L Diesel (2012-2020)


IMPORTANT:
Cat 527-1641 is the valve cover gasket for the Cat C7.1 engine (Perkins 1106D-E70TA). Perkins equivalent is T427303. This fits the larger-displacement variant of the C7.1 used in Cat 326F/329F/330F/335F excavators and 120M2/140M3 motor graders. Do NOT confuse with Cat 256-7704 (Perkins T407192) which is the valve cover gasket for the C6.6/C7.1 1206E series — different engine architecture and gasket dimensions.

Failure symptoms: oil seeping from under the valve cover, oil on the exhaust manifold, burning oil smell. When replacing, inspect the valve cover for warping — the aluminum cover can distort from repeated heat cycles or overtightening. Clean all mating surfaces and torque bolts per the service manual sequence.

⚠️ Cross-ref: Cat 527-1641 = Perkins T427303. Verify C7.1 (1106D-E70TA) engine.

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  • 0.2 lbs.
  • W10.0000” x H1.0000” x L12.0000”
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