Water Pump 4131A063 for Perkins Engine 1004G
Water Pump 4131A063 for Perkins Engine 1004G is backordered and will ship as soon as it is back in stock.
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Powering 10,000+ Commercial Fleets
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One Year Warranty
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Easy 60-day Return
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Expert support & Fitment Guarantee
Description
Description
Water Pump 4131A063 for Perkins Engine 1004G
Condition: new, aftermarket
Part Number:
4131A063
4131E403 replaces U4131E403 since 05/08/1998.
U5MW0166 replaces 4131E403 since 05/08/1998.
U5MW0195 replaces U5MW0166 since 14/04/2003.
U5MW0195 replaces 4131A063 since 11/09/2002.
Applications:
Engine Type : AGCommercial name : 1004G
AG35074 AG37503 AG37504 AG37505 AG37506 AG37546 AG37552 AG37553 AG37554 AG37555 AG37556 AG37557 AG37558 AG37559 AG37560 AG37607 AG37618 AG37730 AG37743 AG37759 AG37822 AG37960 AG50797 AG50844 AG50845 AG51038 AG51040 AG51041 AG60085 AG81212 AG81302 AG81307 AG81332
Engine Type : AH
AH35075 AH37521 AH37522 AH37523 AH37535 AH37539 AH37540 AH37547 AH37562 AH37563 AH37564 AH37565 AH37566 AH37567 AH37568 AH37569 AH37570 AH37571 AH37572 AH37573 AH37728 AH37772 AH37823 AH37959 AH37999 AH50798 AH50846 AH50847 AH51039 AH51042 AH51043 AH60083 AH81247
Engine Type : AP
AP31482 AP81012 AP81159 AP81192 AP81243 AP81353
Engine Type : AQ
AQ31421 AQ31422 AQ31423 AQ31424 AQ31425 AQ31480 AQ35069 AQ37544 AQ37545 AQ50697 AQ81010 AQ81013 AQ81165 AQ81206 AQ81245 AQ81246 AQ81346 AQ81350 AQ81351
Engine Type : AS
AS31355 AS31356 AS31426 AS31445 AS31477 AS31481 AS35068 AS37533 AS37550 AS37551 AS37647 AS37710 AS50675 AS50693 AS50996 AS70435 AS70437 AS70438 AS70439 AS70440 AS70441 AS70451 AS70456 AS70473 AS70474 AS70513 AS70570 AS81011 AS81018 AS81039 AS81193 AS81244 AS81293 AS81345 AS81352 AS9B730
1 Year Warranty
1 Year Warranty
Fab Heavy Parts is excited to offer a 12-month warranty on all new replacement/aftermarket parts starting from your original purchase date.
Enjoy peace of mind with Fab Heavy Parts!
For more warranty details, please check out our warranty policy.
Fast Delivery
Fast Delivery
Estimated delivery time 3-6 workdays
No Core Charge
No Core Charge
We don't have a core charge for any products.
About This Item
- Direct OEM replacement — verified cross-reference fitment for Water Pump 4131A063 for Perkins Engine 1004G
- Precision-cast aluminum housing for long-service durability under continuous load
- High-flow impeller design delivers optimal coolant circulation, preventing overheating
- Pressure-tested to OEM specifications before shipment — zero-defect guarantee
- Drop-in replacement — no modifications, adapters, or re-engineering required
- Reinforced bearing seats extend service life beyond standard aftermarket alternatives
- Compatible with standard coolant types — no special fluids required
- Backed by a 1-year manufacturer warranty covering defects in materials and workmanship
Superior Cooling Efficiency
Our precision-engineered impeller delivers higher flow rates than OEM specifications, ensuring optimal cooling performance even under extreme operating conditions — ideal for high-cycle heavy equipment applications.
Built for Long-Service Durability
Constructed from premium cast aluminum with reinforced bearing housings, this pump withstands thousands of operating hours with minimal wear. Pressure-tested to 2.5× OEM spec before shipment — no surprises in the field.
Precision Fitment — Zero Modifications
Every pump is manufactured to exact OEM tolerances with zero-clearance mounting. Drop-in replacement — no adapters, no re-engineering, no downtime surprises.
How We Compare
| Specification | FAB Heavy Parts | OEM Original | Generic Aftermarket |
|---|---|---|---|
| Flow Rate | OEM+ (Higher Flow) | OEM Spec | Below OEM |
| Warranty | 1 Year | 1 Year | 90 Days or None |
| Fitment Accuracy | Exact OEM Tolerances | Exact OEM Tolerances | Approximate |
| Pressure Tested | ✓ Pre-shipment | ✓ Yes | ✗ Rarely |
| Price Tier | Mid-range | Premium | Budget |
Frequently Asked Questions
How do I confirm this fits my engine?
How difficult is installation?
What warranty is included?
What is your return policy?
How fast will my order ship?
Can I order in bulk for my fleet?
What Our Customers Say
"Exact fit, no modifications needed. Installed in under an hour and the engine runs cooler than ever."
"Better quality than the OEM part we replaced. Pump has been running strong for 6 months with zero issues."
"Fast shipping, well-packaged, and the fitment was spot-on. Will order again for our other units."
"Ordered 3 units for our fleet. All installed without issues. Great value compared to OEM pricing."
Frequently Asked Questions
Shipping and Delivery
What countries do you ship to?
What countries do you ship to?
We can ship to these countries:
Indonesia, Japan, Malaysia, Philippines, Singapore, South Korea, Thailand, Vietnam
United States
Belgium, San Marino, Italy, Spain, Netherlands, France, Germany, Finland, Austria, Denmark, Ireland, Luxembourg, Monaco, Norway, Sweden, Switzerland, Portugal, Poland, Hungary, Canada, Estonia, Australia, Mexico, New Zealand, Bulgaria, Croatia, Cyprus, Czechia, Greece, Greenland, Iceland, Liechtenstein, Lithuania, Malta, Romania, Russia, Slovakia, Slovenia, Latvia, Turkey, United Kingdom
How long will it take to receive my order?
How long will it take to receive my order?
Estimated delivery time to USA: 3-6 workdays;
Estimated delivery time to Canada, Mexico: 4-7 workdays;
Estimated delivery time to Australia: 4-7 workdays;
Estimated delivery time to European countries: 4-7 workdays;
Estimated delivery time to Asian countries: 3-5 workdays.
Returns and Refunds
How do I return a product?
How do I return a product?
Our return policy lasts 60 days. If 60 days have gone by since the delivery, unfortunately, we can’t offer you a refund or exchange.
To be eligible for a return, your item must be unused, not installed, clean and in the same condition that you received it. Shrink wrapping must not be broken. It must also be in the original packaging.
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
Steps of Returning Products to Fab Heavy Parts
1. Request returns in seconds at our return portal.
2. Fill in the email address you left with the order & the order number to start the return. Note: a correct order number format starts with a # hashtag
3. Select the items you wish to return and choose the return reason and upload photos of the received package.
Then, Fab Heavy Parts receives your return request and starts to process your return request. We may contact you for more details.
Steps after the approval of your return request:
1. A Return label will be sent to you via email. Print out the return label, place it on the parcel, and take it to the drop-off point. Make sure you properly pack the product for return if it’s returnable.
2. A refund of the original purchase price will be issued.
Any questions about returning products, please feel free to contact us at info@fabheavy.com
How long will it take to receive my refund?
How long will it take to receive my refund?
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment within 3-10 business days.
Payment Methods
What kind of payment methods do you accept?
What kind of payment methods do you accept?
We accept all major credit cards, PayPal, Google Pay, Apply Pay, Shop Pay, debit cards.
If you prefer offline payment, please contact us to get our bank transfer details.
Taxes or duties
Will I receive customs/import duties?
Will I receive customs/import duties?
For orders shipping to the United States, our price includes the import fees. The receiver/buyer doesn't need to pay any extra customs taxes, or duties for their packages. For orders shipping to non-US countries, please check our policy here.
