11 55 1 436 823 Engine Coolant Thermostat Key Benefits for B2B Buyers
Supports OE-based matching for BMW cooling system replacement programs, helping importers and distributors reduce fitment risk before bulk ordering.
Designed for coolant flow control and engine operating temperature regulation in compatible BMW applications.
Suitable for aftermarket replacement demand where engine warm-up control, coolant circulation and temperature stability are key buyer concerns.
Available for wholesale supply, distributor inventory planning and long-term aftermarket product line expansion.
Supports Brand / Neutral / Customized Packaging, with private label options, logo printing, barcode labels and carton marking available for qualified B2B orders.
11 55 1 436 823 Engine Coolant Thermostat OE and Cross Reference Numbers
Reference Type | Number | Notes |
OE Number | 11 55 1 436 823 | Primary OE reference provided for buyer matching |
OE Number | 11 53 1 437 040 | OE-based matching reference |
OE Number | 11 53 4 509 763 | OE-based matching reference |
OE Number | 11 53 7 509 227 | OE-based replacement reference |
OE-Based Catalog Reference | 11 53 1 436 823 | Commonly matched catalog reference for this thermostat family; verify against the original label before quotation |
Replacement OE Reference | 11 53 0 139 877 | Common replacement reference associated with 11 53 7 509 227 |
Aftermarket Brand Reference | Wahler 4326.97D | Brand catalog reference for distributor review |
Aftermarket Brand Reference | FAE 5348601 | Brand catalog reference for OE-based aftermarket matching |
BMW M54 Engine Coolant Thermostat Vehicle Fitment and Application
Brand | Model / Series | Chassis / Application | Engine / Displacement | Notes |
BMW | 3 Series | E46, including selected 320i, 323i, 325i, 328i, 330i applications | M52TU / M54 related 6-cylinder applications | OE-based application reference |
BMW | 5 Series | E39, E60, E61, including selected 520i, 525i, 528i, 530i applications | M52TU / M54 related 6-cylinder applications | Suitable for distributor matching review |
BMW | 7 Series | E38, E65, E66, E67, including selected 730i / Li applications | M54B30-related applications | Application may vary by market and production year |
BMW | X3 | E83, selected 2.5i and 3.0i applications | M54B25 / M54B30 related applications | OE-based fitment reference |
BMW | X5 | E53, selected 3.0i applications | M54B30 related applications | Confirm by OE number before bulk ordering |
BMW | Z3 / Z4 | Z3 E36, Z4 E85 selected applications | 2.0L–3.0L related applications where OE matches | Suitable for quotation and product matching review |
11 55 1 436 823 Engine Coolant Thermostat Specifications for Wholesale Supply
Item | Specification |
Product Type | Engine Coolant Thermostat |
OE Reference Number | 11 55 1 436 823, 11 53 1 437 040, 11 53 4 509 763, 11 53 7 509 227 |
Function | Controls coolant flow and helps regulate stable engine operating temperature through thermostat valve operation |
Application | Selected BMW M52TU / M54-related 3 Series, 5 Series, 7 Series, X3, X5, Z3 and Z4 applications based on OE matching |
Supply Type | OE-grade aftermarket replacement for wholesale and distributor supply |
MOQ | 50–100 pcs |
Lead Time | 60 days |
Payment Term | 100% T/T in advance |
Packing | Brand / Neutral / Customized Packaging |
Warranty | 12 Months |
Engine Coolant Thermostat FAQ for Importers and Distributors
How can I confirm whether this engine coolant thermostat is the correct match before ordering?
For accurate matching, please send the OE number, vehicle brand, model, year range, engine code or displacement if available, VIN if available, and clear photos of the original thermostat or thermostat housing. For 11 53 1 437 040 engine coolant thermostat inquiries, original label photos, outlet position, connector or sensor details, and opening temperature information can also help reduce ordering risk for importers and bulk buyers.
What are the MOQ, usual lead time, and payment term for this engine coolant thermostat?
The MOQ is 50–100 pcs. The lead time is 60 days. The payment term is 100% T/T in advance. For 11 53 4 509 763 aftermarket engine thermostat orders, packaging details, label requirements and carton marking should be confirmed before production arrangement.
Why is this engine coolant thermostat suitable for aftermarket wholesalers and distributors?
This product supports OE-based purchasing logic, which is important for BMW cooling system replacement programs. A 11 53 7 509 227 engine coolant thermostat can help distributors organize inventory around known OE references, repeated cooling system maintenance demand, and long-term aftermarket supply programs without positioning the product as genuine OEM or original factory parts.
What are the common signs that this engine coolant thermostat may need replacement?
Common thermostat-related replacement signs may include engine overheating, slow warm-up, unstable temperature gauge readings, poor cabin heating, thermostat stuck open, thermostat stuck closed, or coolant leakage around the thermostat housing or seal where applicable. These signs should be reviewed together with OE number matching and original part inspection before wholesale replacement purchasing.
Do you support brand packaging, neutral packaging, customized packaging, logo printing, barcode labels, or carton marking for this engine coolant thermostat?
Yes. We support Brand Packaging, Neutral Packaging and Customized Packaging for wholesale and distributor orders. Private label support, logo printing, barcode labels and carton marking can be arranged according to order quantity, packing artwork and market requirements.
What warranty do you provide for this engine coolant thermostat, and how do you handle quality issues after shipment?
The warranty is 12 Months. If a quality issue occurs after shipment, we review the claim based on photos, videos, OE details, affected quantity, order information and a clear issue description. For 11 55 1 436 823 engine coolant thermostat orders, our after-sales process is handled in a practical way for B2B buyers, distributors and long-term supply partners.
What information should I send to get an accurate quotation for this engine coolant thermostat?
Please send the OE number, vehicle details, target quantity, destination market or port, packing preference, branding requirements, and whether housing, gasket or seal requirements need to be included. If the opening temperature is known, include it as well. This helps us provide a more accurate quotation for wholesale supply, private label packaging and distributor purchasing plans.
