How do I confirm pilotpart445203 fits my machine?

Compare the OEM or reference part number, machine model, engine model, and serial number. You can also submit a fitment inquiry before ordering.

In Stock

Coolant Expansion Tank 10333858 for Chevrolet Impala Monte Carlo Buick Century Regal 3.1L 3.4L 3.8L V6 2000-2005

For Chevrolet Service Tank

Service Tank 10333858 for Chevrolet

Q: What part numbers are associated with this Service Tank?

10333858, 10318742, 10423373, 10309528, 10322539, 1397906156, 671-00126, 603-033

OEM / REF: 10333858SKU: pilotpart445203

Coolant Expansion Tank 10333858 for Chevrolet Impala Monte Carlo Buick Century Regal 3.1L 3.4L 3.8L V6 2000-2005 is a Service Tank replacement part for Chevrolet Seals, Filters & Maintenance Parts, categorized under Seals, Filters & Maintenance Parts > Service Tank. Use OEM part number 10333858 and confirm machine m...

Stock: In stock
Condition: New
Fitment: Chevrolet Seals, Filters & Maintenance Parts
Category: Service Tank

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$47.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Nov 10 – Nov 17
10	Nov 8 – Nov 15
50	Nov 6 – Nov 13

Estimates from today; confirm exact lead time before payment.

Quantity

Confirm fitment before ordering →

Lead times can vary by freight route and customs. Contact support for expedited shipping.

Service Tank Description

This Service Tank is indexed for Chevrolet s: For Chevrolet,For Buick. Compare reference number 10333858 against the label on your existing Chevrolet component before ordering.

Additional cross references on file: 10318742, 10423373, 10309528. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

10333858 10318742 10423373 10309528 10322539 1397906156 671-00126 603-033

Applications

Chevrolet s: For Chevrolet,For Buick

Fitment Notes

Brand or application signal: Chevrolet Seals, Filters & Maintenance Parts
Product family: Service Tank
System category: Seals, Filters & Maintenance Parts > Maintenance Components > Service Tank
Recommended verification: OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability: InStock
Shipping: Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns: Returns are easier when fitment is confirmed before ordering.
B2B support: Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.