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Heavy‑Duty Transmission Pneumatic Valves – OE‑Equivalent & Cost‑Effective

Factory‑direct OE‑equivalent valves for A‑5000, K‑3331, and A‑4740. Mix & match any models for automatic volume discounts.

🚚 Bulk Pricing – Mix & Match, No Model Minimums

Discounts apply to the total units in one order — mix any models (A-4740 / A-5000 / K-3331), no per-model minimum. Tiers unlock at 4+ / 8+ / 15+ / 26+ / 51+.

💰 Quarterly Rebate – Earned on Quarterly Volume, Applied to Next Quarter

Active accounts earn a rebate based on total units purchased within each calendar quarter (Jan–Mar / Apr–Jun / Jul–Sep / Oct–Dec, all models combined). Calculated every three months at quarter end and credited toward the next quarter's orders. Volume does not roll over between quarters — each quarter is counted independently. Rebate credits apply to the next quarter's orders only and do not accumulate beyond that.

🔒 Secure Accepted Payment Methods

  • Credit / Debit Cards: Visa / Mastercard / Amex / Discover
  • PayPal: Bank accounts / Apple Pay / Google Pay
  • WorldFirst payment link: Visa / Mastercard / Amex / Discover (Credit / Debit Cards) (PayPal account not needed)






📦 Shipping & Ordering Rules

  • Exclusive Website Orders: All orders must be placed online. We do not accept WhatsApp or email orders to ensure fastest processing.
  • Fast Dispatch: Paid orders ship within 24 hours. Cut‑off: Weekdays 2:30 PM CST; Saturdays 11:00 AM CST. Post‑cutoff orders ship next business day.
  • Pickup Info: We strongly recommend shipping. Spontaneous walk‑in pickups at our Katy warehouse are not supported; please complete your online order first.

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  • Heavy-duty transmission valves A-4740 air filter regulator, OE-equivalent replacement for Eaton Fuller heavy-duty truck transmissions, precision-machined aluminum bodySale! Add to cart
    Products

    A-4740 Air Filter Regulator

     Original price was: $54.99.Current price is: $46.79. Add to cart

    OE‑equivalent aftermarket A‑4740 air filter regulator, 3/8″NPT inlet & 1/8″NPT outlet, replacement part for Eaton Fuller heavy‑duty truck transmissions.

  • Eaton Fuller heavy-duty transmission valves A-5000 Slave Valve main view, OE equivalent replacementSale! Add to cart
    Products

    A-5000 Slave Valve

     Original price was: $79.99.Current price is: $69.29. Add to cart

    OE‑equivalent aftermarket A‑5000 slave valve, range shift control part for Eaton Fuller heavy‑duty manual transmissions.

  • Heavy-duty transmission valves K-3331 splitter valve main unit, direct OE-equivalent replacement for Eaton Fuller heavy-duty truck transmissionsSale! Add to cart
    Products

    K-3331 Splitter Valve

     Original price was: $74.99.Current price is: $65.69. Add to cart

    OE‑equivalent aftermarket K‑3331 splitter valve, air shift component for Eaton Fuller heavy‑duty truck transmissions.

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