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B37-4 Flowserve Mechanical Seal
Flowserve Y5FQ2500333 Mechanical Seal Carbon Insert Face Ring Industrial Part
- Brand
- Flowserve
- Part number
- B37-4
- Item
- K96268
New – Open Box
New and unused, but the packaging is opened, missing or not the original. What “New – Open Box” means
$159.89
Only 2 left
10% price match
Need more than 2 units or a different condition? Request a quote for additional quantityWe reply within 1 hour during business hours (Mon–Fri 9–3:30 CT).
- Ships today if ordered by 3 PM CT (Mon–Fri)
- Free US shipping
- Line down? Emergency dispatch
30-day guarantee · free returns if it's not as described. How it works
- 30-day guarantee
- Secure checkout
- Tax-exempt buyers welcome
- Ask about this part
92,000+ items sold on eBay17,000+ seller ratings on eBay
KIV Industrial Parts is NOT an authorized distributor of Flowserve. Manufacturer warranty does not apply.
Questions? Call or text 469-316-8517 · Mon–Fri 9 AM–3:30 PM CT
Overview
The Flowserve B37-4 is a Mechanical Seal Carbon Insert Face Ring Industrial Part (Seals, Gaskets & O-Rings). Listed details: description 5/NO 5 CBN INST (carbon insert) and material carbon. This unit is New – Open Box: new and unused, but the packaging is opened, missing or not the original. 2 units are in stock at our Princeton, Texas warehouse and ship in 1 business day.
Specifications
Identification
| Manufacturer | Flowserve |
|---|---|
| Part number | B37-4 |
| Category | Seals, Gaskets & O-Rings |
| Also known as | |
| Manufacturer | Flowserve |
| Part number | Y5FQ2500333 |
| Type | Carbon insert / seal face |
Mechanical & connection
| Material | Carbon |
|---|
Other
| Description | 5/NO 5 CBN INST (carbon insert) |
|---|
This listing
| Condition | New – Open Box |
|---|---|
| Quantity available | 2 in stock |
| Item number | K96268 |
Read from the labels and photos of this unit and its part number. Check the manufacturer's documentation before installing.
Shipping
- Free ground shipping to all 50 US states, usually 3–5 business days in transit.
- Orders placed by 3 PM CT on a business day ship the same day for free; later orders, weekends and office holidays ship the next business day.
- Ordered after 3 PM CT? Add late same-day shipping ($50.00) at checkout before 4:30 PM CT on a business day and it still ships today.
- Expedited and freight shipping are quoted after your order is packed, at our negotiated wholesale UPS rates – the most competitive rate we can offer.
- Puerto Rico and other US territories, APO/FPO and PO boxes: quoted after packing. Freight quote
- International: we ship worldwide (except sanctioned countries). Standard international shipping is $110.00 flat per order, paid at checkout, typically 6–10 business days in transit; import duties and taxes are paid by the buyer on delivery. International orders
- Local pickup in Princeton, TX by appointment.
Add-ons
| Late same-day shipping | $50.00 | Order after 3 PM and before 4:30 PM CT on a business day and it still ships today. Orders placed by 3 PM CT ship the same day for free; later orders ship the next business day. Included with expedited shipping ordered in that window. |
|---|---|---|
| Shipping insurance | 1.5% of value (minimum $3.00) | Covers loss or damage in transit for the full order value. |
| Signature confirmation | $5.00 | Added automatically and free on orders of $750.00 or more. |
| Extra protective packing | $15.00 | Double box and foam. |
| Saturday delivery | Carrier rate + $15.00 | With overnight shipping only; the carrier rate is quoted after packing. |
| Blind shipping | $5.00 | Neutral packing slip with no prices and no KIV branding. |
| Ship on your UPS account | $5.00 | Enter your UPS account number at checkout; UPS bills you directly. |
| Extra photos before shipping | Free | Ask in the special requests box; we email the photos before the order ships. |
Choose add-ons at checkout. Shipping details
Returns
Covered by our 30-day guarantee: if it arrives not as described, dead on arrival or damaged, return it within 30 days of delivery and we pay the return shipping. Changed your mind? Return it within 30 days at your own shipping cost (a 15% restocking fee applies), with any factory seals and packaging intact. We refund your original payment method after we inspect the item.
Flowserve B37-4: questions
Where can I buy the Flowserve B37-4?
KIV Industrial Parts has 2 in stock at its warehouse in Princeton, TX, from $159.89. Orders placed by 3 PM on business days ship the same day with free shipping to all 50 US states.
What is the Flowserve B37-4?
The Flowserve B37-4 is a Mechanical Seal, listed under Seals, Gaskets & O-Rings.
What condition is the Flowserve B37-4 in?
In stock as New – Open Box. Every listing shows photos of the actual unit that ships; the conditions are explained at https://kivparts.com/conditions.
Is the Flowserve B37-4 guaranteed?
Yes: KIV Industrial Parts's 30-day guarantee covers a part that arrives not as described, dead on arrival or damaged (https://kivparts.com/returns).
Disclaimer
KIV Industrial Parts is not an authorized distributor, dealer or representative of Flowserve, and is not affiliated with or endorsed by Flowserve. Flowserve and the part number are used only to identify the product. This item may be surplus, used or refurbished, may have an older date code or series, and is not covered by the manufacturer's warranty. The photos show the actual item.
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