Dorman®Verified to fit 31 vehicles
| Vehicle | Trim | Engine | Notes |
|---|---|---|---|
| 1988 Buick LeSabre | — | V6 3.8L | Note: Fits New Process 126|Oval Plug w/5 Pins|w/RPO Code NP4 (All Wheel Drive Transfer Case)View details |
| 1988 Buick LeSabre | — | V6 3.8L | Stamped 25532179 |
| 1988 Oldsmobile Delta 88 | — | V6 3.8L | Note: MPH - KM/H|Speedometer Only|w/110 MPH Top Speed|VIN and mileage required to orderView details |
| 1988 Oldsmobile Delta 88 | — | V6 3.8L | Stamped 25532179 |
| 1988 Pontiac Bonneville | — | V6 3.8L | Stamped 25532179 |
| 1988 Pontiac Bonneville | — | V6 3.8L | Note: 6 Gauge Cluster|MPH - KM/H|w/Driver Information Center|w/Tachometer|VIN and mileage required to orderView details |
| 1987 Buick Electra | — | V6 3.8L | Stamped 25532179 |
| 1987 Buick Electra | — | V6 3.8L | —View details |
| 1987 Buick LeSabre | — | V6 3.8L | Note: 6 Gauge Cluster|MPH - KM/H|w/Driver Information Center|w/Tachometer|VIN and mileage required to orderView details |
| 1987 Buick LeSabre | — | V6 3.8L | Stamped 25532179 |
| 1987 Buick Riviera | — | V6 3.8L | Note: 6 Gauge Cluster|MPH - KM/H|w/Tachometer|wo/Driver Information Center|VIN and mileage required to orderView details |
| 1987 Buick Riviera | — | V6 3.8L | — |
| 1987 Oldsmobile 98 | — | V6 3.8L | Stamped 25532179 |
| 1987 Oldsmobile 98 | — | V6 3.8L | —View details |
| 1987 Oldsmobile Delta 88 | — | V6 3.8L | Stamped 25532179 |

WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, known to the State of California to cause cancer and reproductive harm. Service the vehicle in a well-ventilated area, wear gloves, and wash your hands. See www.P65Warnings.ca.gov/motor-vehicle-parts

Guaranteed fit — or free return
Currently out of stock
Guaranteed to fitFits your vehicle or we pay the return. Learn more
If a part we confirmed for your vehicle does not fit, we cover the return shipping and refund you in full. That is the fitment guarantee.
Free Returns if it doesn't fitRead Details
Nobody likes buying a part that turns out to be wrong. So if it doesn't fit, send it back for a full refund at no cost to you — return shipping is on us — and we'll help you get the right one.
AutoBuffy 24-month guaranteeCovered on this part, unlimited miles. Learn more
Every part is covered for 24 months. Many brands add their own manufacturer warranty on top.
4.9/5 ratingFrom 19,069 verified customers. Learn more
Ratings come from verified AutoBuffy buyers after delivery — no imported or paid reviews.


The brand behind your
Engine Harmonic Balancer
Dorman builds this Engine Harmonic Balancer to original-equipment standards.

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We do not list every part on earth — just the brands automakers actually trust. And we use AI to double-check not just the fitment but the product details on every listing, because we hate buying the wrong part as much as you do.



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The brands automakers actually put on the car. No white-label mystery boxes.
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Year, make, model, trim, engine — plus the fine print most sites skip — so it fits the first time.
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Dorman Engine Harmonic Balancer 594-150
Out of stock · guaranteed fit or free return

Dorman Engine Harmonic Balancer 594-150

Key Features
About This Engine Harmonic Balancer
This Dorman automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- •Unusual noises from the component area
- •Decreased vehicle performance
- •Warning lights on dashboard
- •Visible wear or damage
- •Failed vehicle inspection

Dorman
Trusted Automotive Brand
Dorman is a trusted manufacturer of quality automotive parts.
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The brand behind your
Engine Harmonic Balancer
Dorman builds this Engine Harmonic Balancer to original-equipment standards.
The Dorman Engine Harmonic Balancer (594-150) is a direct-fit replacement for 1986-1988 Buick, Oldsmobile and Pontiac vehicles. UPC 019495063360. Ships free.
About This Product
Engine Harmonic Balancer
The Dorman Engine Harmonic Balancer (594-150) is a direct-fit replacement for 1986-1988 Buick, Oldsmobile and Pontiac vehicles. UPC 019495063360. Ships free.
This Dorman automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- Unusual noises from the component area
- Decreased vehicle performance
- Warning lights on dashboard
- Visible wear or damage
- Failed vehicle inspection

Brand-first. Fitment-obsessed.
We only sell brands automakers trust, and we double-check the fit on every listing.
Top curated brands only
The brands automakers put on the car.
Obsessed with fitment
Year, make, model, trim, engine, plus the fine print.
Search any part number
Your old part, a competitor, or the dealer #. We confirm the match.
Shop owner? Get BuffyPro business pricing

Fitment Obsessed
Every part checked against your exact year, make, model, trim, and engine.
Wrong Fit? On Us.
Free return shipping, no restocking fee — the fitment guarantee.
Brands OEMs Trust
The names automakers actually put on the car.
Millions of Parts, One Promise
If we say it fits, it fits.





