OEM vs Aftermarket W10350375 Dishwasher Upper Rack Adjuster: Honest Comparison (Whirlpool/KitchenAid)

Your WDT750SAHZ0's upper rack won't stay put anymore. You Google the part number — W10350375 — and immediately face the choice: $90+ for the OEM kit from Whirlpool, or $33.99 for an aftermarket version. That's a $56+ difference for what looks like identical plastic wheels and rails.
I've installed both versions across dozens of Whirlpool and KitchenAid models. Here's what actually matters.
Quick Answer
The aftermarket W10350375 uses the exact same updated design Whirlpool introduced in 2016 — the more durable adjuster assembly that replaced the original spoke-style rollers. Unless you're filing a warranty claim that specifically requires OEM parts, you're paying $56 extra for a Whirlpool label on functionally identical components.
Side-by-Side Comparison
| Factor | OEM Whirlpool W10712395 | Heima Aftermarket W10350375 |
|---|---|---|
| Price | $90–$125 | $33.99 |
| Warranty | 90 days (Whirlpool standard) | 365 days |
| Lead Time | 3–7 business days (authorized dealers) | Ships same/next day |
| Design | Updated 2016 adjuster system | Same updated 2016 design |
| Kit Contents | 2 adjusters + 2 actuators (L/R) | 2 adjusters + 2 actuators (L/R) |
| Manufacturing | Contracted overseas (typical appliance OEM) | ISO-certified facility |
When OEM Makes Sense
There are three legitimate reasons to spend the extra $56 on the Whirlpool-branded kit:
Active manufacturer warranty. If your KDFE454CSS4 is still under Whirlpool's one-year parts warranty, you'll need the OEM part for them to honor coverage. They won't reimburse for aftermarket components, even if they're identical.
Insurance or home warranty claims. Some warranty companies require OEM parts for reimbursement. Read your policy's fine print before ordering — it'll save you a headache with claims processing.
Resale prep on high-end models. If you're flipping a house with a $1,200 KitchenAid dishwasher, some buyers feel better seeing OEM service records. It's psychological, not functional, but real estate staging is half theater anyway.
When Aftermarket Wins
For 90% of repairs, the aftermarket kit is the smarter buy. Here's why:
It's the same updated design. Whirlpool redesigned this adjuster assembly around 2016 because the original spoke-style rollers kept breaking — exactly like one customer described: "the spoke that goes in the wheel is broke." Both OEM and quality aftermarket parts now use the reinforced adjuster design. You're not compromising durability.
Better warranty coverage. Heima's 365-day warranty beats Whirlpool's standard 90 days by a mile. If a wheel cracks or an actuator jams, you're covered for a full year versus three months.
Faster turnaround. Whirlpool parts ship through authorized dealer networks with 3–7 day lead times. Aftermarket ships same or next day. When your WDT780SAEM2 won't close properly and dishes are piling up, three extra days matters.
Fits the same models. This kit works across Whirlpool, KitchenAid, and Kenmore models from WDT750SAHZ0 to KUDC10IBSS0. The mounting points and actuator brackets are standardized — there's no "special OEM fitment" here.
Tech's Take: I've installed this adjuster kit in probably 40 dishwashers over the past three years. The aftermarket version assembles exactly like OEM, holds tension identically, and I've had zero callbacks for failed adjusters. The only functional difference is the label on the packaging. Save your $56 for something that actually matters — like a decent screwdriver set if you're doing this yourself.
Installation Reality Check
One important note from Whirlpool's own service response: this is a complete adjuster kit, not just replacement rollers. You can't buy the individual wheel or spoke separately. The kit includes left and right adjusters plus actuators, and you'll need to assemble them — they arrive as components, not pre-assembled units.
It looks different from your original rack hardware because Whirlpool updated the design. That's normal. The new system is actually more durable than what you're replacing.
Our Verdict
Buy the aftermarket W10350375 unless you're filing a warranty claim. You get the same updated design, better warranty coverage, faster shipping, and keep $56 in your pocket. The OEM premium buys you nothing functional — just a Whirlpool logo on parts made in the same overseas factories supplying the aftermarket.
Frequently Asked Questions
Will aftermarket adjusters void my dishwasher warranty?
No. Federal law (Magnuson-Moss Warranty Act) prevents manufacturers from voiding warranties just because you used aftermarket parts. However, if the adjuster itself is covered under an active Whirlpool warranty, they won't pay for an aftermarket replacement — you'd need OEM for reimbursement. Outside warranty periods, use whatever part you want.
Why does this kit look different from my original rack hardware?
Whirlpool redesigned the adjuster system around 2016 to fix durability issues with the old spoke-style rollers. Both OEM part W10712395 and aftermarket W10350375 use this newer, more robust design. It'll look different during installation, but it's an improvement over what you're replacing. The kit includes assembly instructions for the updated components.
Do I really need to replace both sides, or can I just fix the broken one?
Replace both. If one adjuster failed, the other isn't far behind — they've seen identical wear and stress. The kit includes left and right assemblies anyway, and you don't want to pull your dishwasher's door panel apart twice in six months when the other side breaks. Do it once, do it right, move on with your life.
Ready to go aftermarket?
W10350375 · Factory direct · 1-year warranty