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BCBC MR-740 Engine Rocker Arm - Intake

Brand BCBC MR-740
Position Intake
Material Stamped steel
Rocker Arm Type Non-roller
Rocker Arm Finish Anti-rust
Rocker Arm Material Stamped steel
Slot Width 0.628
Slot Width 16.0
Grade Type Standard replacement
Self Aligning Yes
Shims Included No
Mounting Type Shaft
Product line Stock
Fits American Motors, Dodge, Eagle, and Jeep · 109 vehicles

Standard replacement. Built for stock valve train service with OEM-style fit and function.

Stamped steel construction. A durable material choice for everyday engine rebuild work.

Self-aligning design. Helps maintain proper valve train alignment in shaft-mounted setups.

Cross-references Four Seasons 44145, 40-2740 and 180-1236 for the same application. See all 10.

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Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Rocker Arm for Stock Applications

The Melling MR-740 is a standard replacement engine rocker arm for stock valve train service. It is built as a stamped steel, non-roller rocker arm with an anti-rust finish and self-aligning design for compatible shaft-mounted applications.

Key Features

  • Stamped steel construction for standard replacement use
  • Non-roller rocker arm design
  • Anti-rust finish for added surface protection
  • Self-aligning design
  • Shaft mounting type
  • Fits stock valve train applications across Jeep, Dodge, and Eagle platforms

Detailed Description

The Melling MR-740 rocker arm is intended for engine rebuild and repair work where a standard replacement part is needed. Melling offers rocker arms for domestic and import applications, and this part follows OEM-style design requirements with stamped steel construction. The self-aligning, shaft-mounted layout supports proper valve train geometry in stock applications. This part number, MR-740, is used across a wide range of Jeep, Dodge Dakota, and Eagle applications, including Fits 1997-2006 Jeep TJ, N/A; Fits 1997-2006 Jeep Wrangler, N/A; and Fits 1993-2004 Jeep Grand Cherokee, N/A.

This part cross-references Four Seasons 44145 for the same application.

Common Uses

  • Worn or damaged rocker arm replacement
  • Valve train noise caused by rocker arm wear
  • Restoring proper valve actuation in stock engines
  • Engine rebuild service requiring new valve train components

Installation Notes

Verify shaft-mounted fitment and match the rocker arm style to the original engine design before installation. Confirm the application against the vehicle's year, make, model, and valve train configuration. For stock Jeep, Dodge Dakota, and Eagle applications, use the fitment table to confirm the correct position and notes before ordering MR-740.

Quality Assurance

Melling recommends replacing rocker arms and related components during an engine rebuild to support long engine life and efficient performance. The MR-740 is built using materials and manufacturing processes selected for standard replacement service.

This part fits 109 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006JeepTJ4.0LL6N/AStock
2006JeepWrangler4.0LL6N/AStock
2005JeepTJ4.0LL6N/AStock
2005JeepWrangler4.0LL6N/AStock
2004JeepGrand Cherokee4.0LL6N/AStock
2004JeepTJ4.0LL6N/AStock
2004JeepWrangler4.0LL6N/AStock
2003JeepGrand Cherokee4.0LL6N/AStock
2003JeepTJ4.0LL6N/AStock
2003JeepWrangler4.0LL6N/AStock
2002DodgeDakota2.5LL4N/AStock
2002JeepGrand Cherokee4.0LL6N/AStock
2002JeepTJ4.0LL6N/AStock
2002JeepWrangler4.0LL6N/AStock
2001DodgeDakota2.5LL4N/AStock
2001JeepCherokee4.0LL6N/AStock
2001JeepGrand Cherokee4.0LL6N/AStock
2001JeepTJ4.0LL6N/AStock
2001JeepWrangler4.0LL6N/AStock
2000DodgeDakota2.5LL4N/AStock
2000JeepCherokee4.0LL6N/AStock
2000JeepGrand Cherokee4.0LL6N/AStock
2000JeepTJ4.0LL6N/AStock
2000JeepWrangler4.0LL6N/AStock
1999DodgeDakota2.5LL4N/AStock
1999JeepCherokee4.0LL6N/AStock
1999JeepGrand Cherokee4.0LL6N/AStock
1999JeepTJ4.0LL6N/AStock
1999JeepWrangler4.0LL6N/AStock
1998DodgeDakota2.5LL4N/AStock
1998JeepCherokee4.0LL6N/AStock
1998JeepGrand Cherokee4.0LL6N/AStock
1998JeepTJ4.0LL6N/AStock
1998JeepWrangler4.0LL6N/AStock
1997DodgeDakota2.5LL4N/AStock
1997JeepCherokee4.0LL6N/AStock
1997JeepGrand Cherokee4.0LL6N/AStock
1997JeepTJ4.0LL6N/AStock
1997JeepWrangler4.0LL6N/AStock
1996DodgeDakota2.5LL4N/AStock
1996JeepCherokee4.0LL6N/AStock
1996JeepGrand Cherokee4.0LL6N/AStock
1995JeepCherokee4.0LL6N/AStock
1995JeepGrand Cherokee4.0LL6N/AStock
1995JeepWrangler4.0LL6N/AStock
1994JeepCherokee4.0LL6N/AStock
1994JeepGrand Cherokee4.0LL6N/AStock
1994JeepWrangler4.0LL6N/AStock
1993JeepCherokee4.0LL6N/AStock
1993JeepGrand Cherokee4.0LL6N/AStock
1993JeepWrangler4.0LL6N/AStock
1992JeepCherokee4.0LL6N/AStock
1992JeepComanche4.0LL6N/AStock
1992JeepWrangler4.0LL6N/AStock
1991JeepCherokee4.0LL6N/AStock
1991JeepComanche4.0LL6N/AStock
1991JeepWrangler4.0LL6N/AStock
1990JeepCherokee4.0LL6N/AStock
1990JeepComanche4.0LL6N/AStock
1990JeepWagoneer4.0LL6N/AStock
1990JeepWrangler4.2LL6N/AStock
1989EaglePremier2.5LL4N/AStock
1989JeepCherokee4.0LL6N/AStock
1989JeepComanche4.0LL6N/AStock
1989JeepWagoneer4.0LL6N/AStock
1989JeepWrangler4.2LL6N/AStock
1988American MotorsEagle4.2LL6IntakeStock
1988EaglePremier2.5LL4N/AStock
1988JeepCherokee4.0LL6N/AStock
1988JeepComanche4.0LL6N/AStock
1988JeepWagoneer4.0LL6N/AStock
1988JeepWrangler4.2LL6N/AStock
1987American MotorsEagle4.2LL6IntakeStock
1987JeepCherokee4.0LL6N/AStock
1987JeepComanche4.0LL6N/AStock
1987JeepJ104.2LL6N/AStock
1987JeepWagoneer4.0LL6N/AStock
1987JeepWrangler4.2LL6N/AStock
1986American MotorsEagle4.2LL6IntakeStock
1986JeepCherokee2.5LL4N/AStock
1986JeepCJ74.2LL6N/AStock
1986JeepComanche2.5LL4N/AStock
1986JeepGrand Wagoneer4.2LL6N/AStock
1986JeepJ104.2LL6N/AStock
1986JeepWagoneer2.5LL4N/AStock
1985American MotorsEagle4.2LL6IntakeStock
1985JeepCherokee2.5LL4N/AStock
1985JeepCJ74.2LL6N/AStock
1985JeepGrand Wagoneer4.2LL6N/AStock
1985JeepJ104.2LL6N/AStock
1985JeepScrambler4.2LL6N/AStock
1985JeepWagoneer2.5LL4N/AStock
1984American MotorsEagle4.2LL6IntakeStock
1984JeepCherokee2.5LL4N/AStock
1984JeepCJ74.2LL6N/AStock
1984JeepGrand Wagoneer4.2LL6N/AStock
1984JeepJ104.2LL6N/AStock
1984JeepScrambler4.2LL6N/AStock
1984JeepWagoneer2.5LL4N/AStock
1983American MotorsConcord4.2LL6IntakeStock
1983American MotorsEagle4.2LL6IntakeStock
1983American MotorsSpirit4.2LL6IntakeStock
1983JeepCherokee4.2LL6N/AStock
1983JeepCJ54.2LL6N/AStock
1983JeepCJ74.2LL6N/AStock
1983JeepDJ54.2LL6N/AStock
1983JeepJ104.2LL6N/AStock
1983JeepScrambler4.2LL6N/AStock
1983JeepWagoneer4.2LL6N/AStock
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 4414540-2740180-123662291353020344J3242393R-740R-905ARA-9602RM122