VKEFOT BZ6272E 12270-Z5502 110x135x12.5 mm Crankshaft Rear Main Oil Seal for Nissan Diesel Engine
Model / SKU: VKEFOT-BZ6272E-12270-Z5502-110-135-12.5
VKEFOT 110x135x12.5 mm crankshaft rear main oil seal, cross OEM BZ6272E and 12270-Z5502. Factory direct supply from Xingtai, China. FKM rubber rear crankshaft seal built for high temperature and oil resistance, aftermarket replacement for Nissan diesel engine overhaul and repair. Send RFQ with quantity and destination for quotation.
Tags: VKEFOT BZ6272E crankshaft rear oil seal, 12270-Z5502 rear main seal, 110x135x12.5 crankshaft shaft seal, Nissan diesel engine crankshaft seal, FKM rear crankshaft oil seal
Product photos
Key specs: Inner diameter mm: 110 | Outer diameter mm: 135 | Height mm: 12.5 | Material: FKM | Size: 110×135×12.5 mm | Type: Crankshaft Rear Main Oil Seal | OEM: BZ6272E,12270-Z5502 | Fit: Nissan Diesel Engine
- Inner diameter mm: 110
- Outer diameter mm: 135
- Height mm: 12.5
- Material: FKM
- Size: 110×135×12.5 mm
- Type: Crankshaft Rear Main Oil Seal
- OEM: BZ6272E,12270-Z5502
- Fit: Nissan Diesel Engine
Technical summary
Product specifications. Refer to the approved drawing for dimensional tolerances and installation requirements.
| Spec | Value |
|---|---|
| Size | 110×135×12.5 mm |
| Type | Crankshaft Rear Main Oil Seal |
| Material | FKM |
| OEM | BZ6272E,12270-Z5502 |
| Fit | Nissan Diesel Engine |
Pricing: request a quote (B2B / wholesale).
MOQ / commerce notes: MOQ: 100–5000 pcs | Lead Time:7–15 working days
Product details
VKEFOT 110x135x12.5 mm crankshaft rear oil seal with cross reference OEM BZ6272E and 12270-Z5502, manufactured in Xingtai, China. This aftermarket rear main oil seal is engineered for Nissan heavy-duty diesel engine crankshaft rear end sealing.
This brown FKM rubber oil seal adopts reinforced metal shell and precision ground sealing lip. It effectively contains engine oil inside the crankcase and blocks dust, grit and moisture from invading the engine. The FKM fluororubber compound delivers outstanding high temperature resistance, oil resistance and wear resistance, maintaining stable sealing performance under continuous engine vibration and thermal cycling for commercial vehicle and industrial engine repair applications.
Key Features
- Rear main crankshaft oil seal for Nissan diesel engine
- Cross OEM part numbers BZ6272E and 12270-Z5502
- Reinforced metal outer shell with premium FKM sealing lip
- Excellent high-temperature, oil and abrasion resistance
- Aftermarket replacement for engine rebuild and maintenance projects
Material & Working Condition
Base rubber material is FKM fluororubber. Confirm compatibility with your engine oil and operating temperature range in your RFQ.
Typical Applications
Nissan diesel engine crankshaft rear end sealing. This is an aftermarket replacement seal. Verify shaft diameter, housing bore dimension and OEM part number before purchase.
Installation Guide
- Clean crankshaft surface and engine block sealing area thoroughly, remove old seal residue, burrs, rust and carbon deposits.
- Lightly lubricate the sealing lip with compatible engine oil before fitting.
- Use a dedicated installation tool to press the seal evenly and squarely into the bore; avoid tilting.
- Prevent scratches, nicks or damage to the sealing lip during installation, lip damage will cause immediate oil leakage.
- After installation, perform oil leak inspection before full engine load test.
Packaging & Shipment
- Standard packing：neutral plastic bags + export cartons, packing quantity adjustable as requested.
Samples are available for standard stocked sizes; sample freight cost confirmed during RFQ.
VKEFOT is a professional manufacturer of rotary shaft oil seals and custom rubber sealing components in Xingtai, China. Our products are exported to Europe, North America, Middle East and Southeast Asia. Send RFQ including seal size, quantity, destination country and working medium for formal quotation.
Need help specifying a seal?
Use these checks to prepare your enquiry. Final suitability depends on the specific design and operating conditions.
Check dimensions and design
Provide the shaft diameter, housing bore and seal width in mm. Include the part marking, lip profile or a dimensioned drawing if available.
Describe operating conditions
Share the fluid or medium, operating temperature, pressure and shaft speed. Confirm the material grade against the application.
Verify a replacement
Provide the original part number and photos. Similar dimensions alone do not confirm interchangeability; compare the design and material.
FAQ
What is VKEFOT BZ6272E oil seal used for?
This 110x135x12.5 mm crankshaft rear main oil seal (OEM 12270-Z5502) is fitted at the rear end of crankshaft on Nissan diesel engines, to stop engine oil leakage and keep contaminants out of crankcase.
What OEM cross references for this Nissan crankshaft rear seal?
Cross reference OEM BZ6272E and 12270-Z5502. Always verify dimension and OEM number against your original seal before ordering.
What material is BZ6272E 12270-Z5502 crankshaft oil seal?
This rear crankshaft oil seal is made of FKM fluororubber, featuring high temperature resistance and excellent oil resistance for heavy duty diesel engines.
What is the difference between FKM and NBR crankshaft oil seal?
FKM can withstand higher temperature and more aggressive engine oils than NBR, ideal for heavy-duty diesel engine operating conditions.
How to install Nissan rear crankshaft oil seal correctly?
Clean crankshaft journal and engine bore, lightly lubricate sealing lip, use dedicated installation tool to press seal squarely, avoid scratching the sealing lip.
What is MOQ and lead time for VKEFOT BZ6272E oil seal?
MOQ:100–5000 pcs, lead time:7–15 working days. Final quantity and delivery time confirmed on formal quotation.
What information should I provide for RFQ to VKEFOT?
Please provide seal dimension, OEM number, quantity, destination country and working medium for accurate quotation.