moog-rk621690 | Front Left Upper Control Arm | 2003-2009 Nissan 350Z

  • moog-rk621690 Front Upper Control Arm and Ball Joint - Driver Side
  • moog-rk621690 Front Upper Control Arm and Ball Joint - Driver Side
  • moog-rk621690 Front Upper Control Arm and Ball Joint - Driver Side

Front Upper Control Arm and Ball Joint - Driver Side

Manufacturer: MOOG
Part Number: moog-rk621690
Price: $73.61

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Suggested part for moog-rk621690: moog-rk621691
moog-rk621691 Front Lower Control Arm and Ball Joint - Passenger Side
Front Lower Control Arm and Ball Joint - Passenger Side

Suggested part for moog-rk621690: moog-rk621936
moog-rk621936 Front Upper Control Arm and Ball Joint - Passenger Side
Front Upper Control Arm and Ball Joint - Passenger Side

  • Moog fulfills their warranty through their individual dealers. That means that in order to receive warranty support, you will have to refer back to the original dealer you purchased the part from. Be sure to check the dealer's warranty support before you buy the part to make sure that they will properly support the warranty. If a dealer will only refer you back to the manufacturer in order to receive warranty support, then you may not actually have any warranty at all.


    Moog Premium Steering Components carry a Limited Lifetime Warranty. Moog R-Series Control Arms, Hub Assemblies, and Strut Assemblies carry a 3 Year Warranty.

    Moog warranties their parts to be free of defects in materials and/or workmanship during these timeframes as measured from the date of purchase.

    If a Moog part should fail due to materials or manufacturing defect while under warranty, we will provide a replacement of the part upon return of the defective part.

    Wearable RUBBER parts are not covered under warranty (Dust boots, bushings, bump stops, etc.)

Cross Reference from moog-rk621690 to beckarnley-102-6594
Beck Arnley beckarnley-102-6594
. Standard OE replacement.
Price: $121.48
Warranty: 3 Years or 50000 Miles

question_answer Ask us a Question

FitmentFront Upper Control Arm and Ball Joint - Driver Side moog-rk621690 fits these vehicles:

moog-rk621690 | Front Left Upper Control Arm | 2003-2009 Nissan 350Z

2004-2006 Infiniti G35
  • Fits RWD models ONLY
2007 Infiniti G35
  • Fits 2 door coupe
For the passenger side use rk621936

What is the Difference Between Moog R Series and CK Control Arms?

CK, K or RK? We here at Diverse Suspension Technologies get this question a whole lot. If you are putting parts on your vehicle, you want to know exactly what you are installing. It can be hard to do that with all of these letter designations. So here is all that you need to know to clear up the confusion.

Short Answer: R Series is a value-driven replacement part while the CK Series incorporates Moog's premium Problem Solver components for a better than OE upgrade.

Moog Stamped Arms
Moog Stamped Arms

CK (K): Moog Problem Solver

Starting with the CK and K. Whether you see a "K" designation or a "CK" designation, you are getting the same part. The CK and K are Moogs Premium line of control arms. Utilizing their "problem solver" technology, these control arms address common factory design issues providing a better than the original replacement for your vehicle. Most CK and K control arms include ball joints that are powder coated metal with gusher bearings giving them a long life. Many of these ball joints are serviceable and have grease fittings. The CK and K arms also have problem solver bushings and a precise fit and form for easy installation.

RK: Moog R Series

The RK series is a more value-driven part. Because there are so many different vehicles both foreign and domestic, Moog has introduced the R-Series arms to provide replacements for a wide range of vehicles. The RK arms have OE fit and form geometry alignment, with pre-installed OE style bushings and most include the ball joints. However, these ball joints are not serviceable like the CK arms. All of the R Series arms have Moog validated construction and design, providing a less expensive alternative.

Moog Forged Arms
Moog Stamped Arms

Type and Warranty

Each line of control arms has Forged Steel, Stamped Steel, or Forged Aluminium arms to provide the best style for your specific vehicle. The Premium CK line has a limited lifetime warranty, and the RK has a 3 year warranty that are both handled through our awesome customer service team at DST. Whether you are looking for a "light on the wallet" OE replacement, or a "premium" control arm upgrade, Moog control arms are a great choice for your vehicle.

MOOG moog-rk621690

Product Reviews for moog-rk621690 | Front Left Upper Control Arm | 2003-2009 Nissan 350Z

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MOOG moog-rk621690

5 out of 5 based on 1 user reviews. Write a Review


starstarstarstarstar" nice "

I enjoyed this piece which is serious and solid thank you Moog.

verified_user Verified Buyer - - . MOOG moog-rk621690 - 5 out of 5
Fitment for moog-rk621690
MakeModelYear RangePositionDrive WheelQuantity RequiredEngine BaseEngine VINEngine Designation
InfinitiG352007-2003Front Left Upper Quantity 1
InfinitiG352006-2004Front Left UpperRWD Quantity 1
Nissan350Z2009-2003Front Left Upper Quantity 1

compare_arrows Compare with Similar Parts

This Part
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Beck Arnley
Beck Arnley compare
($47.87) more expensive
  • star_borderstar_borderstar_borderstar_borderstar_border
  • Standard OE replacement.

question_answer Customer Questions and Answers

Hi, I was wondering if part rk621690 is made from aluminium or steel?
moog-rk621690 is forged aluminum.

Will the moog-rk621690 work on an AWD G35x?
The moog-rk621690 is only fitted for the RWD G35x. Moog unfortunately does not offer an upper control arm for the AWD G35x.

Is the ball joint on part number rk621690 replaceable and what type of material are the bushings made of?
Unfortunately the ball joint is not replaceable on part number rk621690. As for the bushings, they are made of rubber.

Do these fit the g35x? (Awd)
Unfortunately I'm showing that the rk621690 will not fit the AWD 05 G35.