This harmonic balancer and Belt Drive Pulley is a new, aftermarket replacement part that has the following specifications:

  • Type - Double Serpentine Belt
  • OE part number - Toyota 1340874031/1340874041
  • Diameter - 5.7(inches)
  • Width - 2.09 (inches)
  • Direct bolt on replacement
  • Built to strict quality control standards


A direct replacement. Please verify the dimensions against your existing balancer.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

  1. step : Disconnecting the Battery (1:00)
    • Disconnect the negative battery terminal with a 10mm wrench
    • Hang the terminal off to the side
  2. step : Removing the Serpentine Belt (1:22)
    • Familiarize yourself with the route of the serpentine belt
    • Loosen the 12mm bolt on the tensioner a few turns
    • Loosen the 14mm bolt on the pivot point a few turns
    • Remove the belt
  3. step : Removing the Wheel (2:02)
    • Loosen the 21mm lug nuts with the vehicle on the ground
    • Raise the vehicle with a floor jack and jack stands
    • Remove the lug nuts
    • Pull off the wheel
  4. step : Removing the Power Steering Belt (2:36)
    • Remove the two 10mm bolts from the splash shield in the wheel well
    • Remove the splash shield
    • Loosen the power steering pump 12mm tensioner bolt
    • Loosen the 12mm bolt at the top pivot of the pump
    • Remove the belt from the pump and balancer pulley
  5. DO NOT pry from behind the harmonic balancer

  6. step : Removing the Balancer Pulley (3:54)
    • Remove the 19mm bolt in the center of the harmonic balancer
    • Tap the side of the harmonic balancer with a hammer without touching the rubber
    • Partially install the center bolt
    • Install a two jaw puller with the jaws behind the pulley
    • Remove the center bolt
    • Slide the balancer off
  7. step : Installing the Balancer Pulley (6:46)
    • Install the harmonic balancer onto the crank
    • Reinstall the 19mm bolt and washer
  8. step : Installing the Power Steering Belt (6:59)
    • Reinstall the power steering belt with the grooves on the back side of the balancer
    • Bring the belt around the power steering pulley
    • Place a pry bar between the block and tab near the slide near the power steering pulley to add tension
    • Add tension
    • Tighten the bottom power steering bolt
  9. step : Installing the Serpentine Belt (7:40)
    • Reinstall the serpentine belt below the A/C pulley
    • Install the serpentine belt under the crank
    • Bring the belt over the alternator pulley
    • Tighten the 12mm tensioner bolt
    • Tighten the 12mm bolt on the backside of the adjustor block
    • Insert the splash shield into place
    • Tighten the two 10mm bolts to the splash shield
  10. step : Reinstalling the Wheel (8:35)
    • Slide the wheel into place
    • Start the lug nuts by hand
    • Tighten the lug nuts preliminarily
    • Lower the vehicle to the ground
    • Tighten the lug nuts to 76 foot-pounds in a crossing or star pattern
    • Reinstall your hubcap
  11. step : Reconnecting the Battery (1:00)
    • Connect the negative battery terminal with a 10mm wrench

Tools needed for replacement:

    General Tools

  • Jack Stands
  • Floor Jack

  • Ratchets & Related

  • Ratchet
  • Socket Extensions

  • Screwdrivers & Related

  • Flat Blade Screwdriver
  • Pry Bar

  • Sockets - Metric

  • 19mm Socket
  • 10mm Socket
  • 12mm Socket

  • Specialty Tools

  • 2 Jaw Gear Puller

  • Wrenches - Metric

  • 10mm Wrench

5.0 / 5.0
10 Reviews
5 Stars
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Awesome part!
Product showed up ahead of schedule and properly packaged. No fuss installation since the part is identical to the OEM one it replaced. Price is great since this one was a fraction of the cost from those at the big box auto retailers. Thank you!
June 22, 2018
Purchased
1 month ago
The perfit part for the job
The part fit perfit came to my house on time this is better than my local parts store for once I didn't have to return it thanks a1
June 18, 2018
Purchased
1 month ago
Rav 4
It arrived quickly. The pulley went on with no problem. It seemed every bit as good of quality as the one that came off. I would recommend this replacement part.
April 7, 2018
Purchased
4 months ago
Toyota Part
I was very please with my part from 1A Auto it was want I needed for my car. It did not take long for me to receive my part and the part was not at all that expensive I would like to thank the company for supplying me. Thanks Loretta Epps,
April 3, 2018
Purchased
4 months ago
A perfect fit. The video on installation was vary helpful.
January 12, 2018
Purchased
6 months ago
Toyota Camry Part
I love the part my mechanic installed it and it worked good. I definitely recommend them for parts store.
December 25, 2017
Purchased
7 months ago
Thanks. Its all good. Got it really fast and it works fine so far!
October 15, 2017
Purchased
9 months ago
harmony in balance
Fit perfect. Very satisfied with this product; timely delivery. Will buy more products from 1A Auto
July 24, 2017
Purchased
1 year ago
Affordable Replacement for High Mileage Car
Fit just like it was supposed to. Quality was good for the price. I opted for this due to the price compared to the other brands because the high mileage (236,000).
June 24, 2017
Purchased
1 year ago
1994 Toyota Camry Harmonic Balancer
Perfect fit & finish. Great price from 1A Auto. I would recommend this quality product . Don't forget your pulley removal tool(kit).
March 21, 2017
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Vehicle Fit

  • 1992-2001 Toyota Camry Harmonic Balancer L4 2.2L
  • 1994-1999 Toyota Celica Harmonic Balancer L4 2.2L
  • 1996-2000 Toyota Rav4 Harmonic Balancer L4 2.0L
  • 1999-2001 Toyota Solara Harmonic Balancer L4 2.2L

This part replaces:

  • Dorman 594-139
  • Hollander 309-50028
  • OE # 1340874031/1340874041
Part #: 1AEHB00103

How-to Video:

(09:37 min)