115x140x16mm Rear Crankshaft Oil Seal, Brown FKM/NBR, Engine Crank Shaft Seal | VKEFOT
Model / SKU: VKEFOT-115-140-16-CRANK
115x140x16mm brown rear crankshaft oil seal with high performance. Features excellent oil resistance and wear resistance. High quality aftermarket engine sealing parts for Weichai WP12 and heavy-duty automotive engine repair. Factory direct, in stock, worldwide shipping. Send RFQ for bulk wholesale pricing.
Tags: 115x140x16 oil seal, rear crankshaft oil seal, Weichai WP12 crankshaft seal, brown FKM oil seal, high performance crankshaft seal, engine shaft oil seal, aftermarket heavy truck engine spare part
Product photos
Key specs: Inner diameter mm: 115 | Outer diameter mm: 140 | Height mm: 16 | Material: NBR | Material: Optional NBR | Structure: double lip rotary shaft oil seal with metal casing and garter spring, oil-resistant and wear-resistant high performance seal for heavy-duty engine crankshaft | specifications: 115x140x16 mm｜FKM(Fluoroelastomer), Brown | Size: 115x140x16 mm｜FKM(Fluoroelastomer), Brown
- Inner diameter mm: 115
- Outer diameter mm: 140
- Height mm: 16
- Material: NBR
- Material: Optional NBR
- Structure: double lip rotary shaft oil seal with metal casing and garter spring, oil-resistant and wear-resistant high performance seal for heavy-duty engine crankshaft
- specifications: 115x140x16 mm｜FKM(Fluoroelastomer), Brown
- Size: 115x140x16 mm｜FKM(Fluoroelastomer), Brown
Technical summary
Product specifications. Refer to the approved drawing for dimensional tolerances and installation requirements.
| Spec | Value |
|---|---|
| Material | Optional NBR |
| Structure | double lip rotary shaft oil seal with metal casing and garter spring, oil-resistant and wear-resistant high performance seal for heavy-duty engine crankshaft |
| Size | 115x140x16 mm｜FKM(Fluoroelastomer), Brown |
Pricing: request a quote (B2B / wholesale).
MOQ / commerce notes: MOQ: Typically 100–5,000 pcs | Lead Time: 7–15 working days
Product details
This aftermarket 115x140x16mm rear crankshaft oil seal is available in brown NBR or FKM material, built with metal casing and garter spring. It is widely used for Weichai WP12 heavy-duty engine rear crankshaft sealing, delivering high performance with outstanding oil resistance and wear resistance under high-temperature engine operating environments.
VKEFOT manufactures oil seals, O-rings and custom rubber sealing components in Xingtai, China. Our products export to Europe, North America, Middle East and Southeast Asia. Importers, heavy truck engine part wholesalers and MRO distributors can send RFQ with size, purchase quantity and destination country for formal quotation.
Features & Benefits
Dual lip sealing structure prevents engine oil leakage and blocks dust, mud and contaminants from entering engine crankcase.
Built-in garter spring maintains stable radial compression force on sealing lip under continuous engine rotation and thermal cycling.
Brown FKM version offers superior high temperature resistance; NBR version provides cost-effective reliable oil resistance and wear resistance for standard engine applications.
Reinforced metal outer casing ensures tight press-fit installation inside engine housing.
This seal is an aftermarket replacement part; verify shaft and bore dimensions and engine model before placing your order.
Material & Specification
- Sealing lip：NBR nitrile butadiene rubber or FKM fluoroelastomer, brown
- Reinforcement：carbon steel metal casing
- Spring：carbon steel garter spring
Typical working temperature
- NBR：-30°C ~ +100°C
- FKM：-20°C ~ +200°C
Confirm rubber compound grade with RFQ for special operating applications.
Compatible fluids: engine oil, mineral gear oil, axle grease.
Not suitable for strong polar solvents, ketones and special chemical media.
Applications & Compatibility
Specially designed for heavy-duty engine rear crankshaft, fits Weichai WP12 engine and similar heavy truck engines. Widely used for engine overhaul, fleet maintenance and aftermarket replacement.
Check shaft diameter, housing bore dimension and engine model before purchase to avoid costly size mismatch.
Selection & Installation Guide
Selection Tips
Confirm shaft dimension 115 mm, housing bore 140mm and seal width 16mm. Select NBR or FKM material according to engine working temperature, verify lubricant type before final selection.
Installation Steps
- Clean shaft and housing bore fully, remove burrs, rust and old seal residue.
- Lubricate sealing lips and shaft with compatible engine oil; dry installation is not allowed.
- Press the seal squarely and evenly with proper installation tool, keep perpendicular to bore.
- Do not strike rubber lip directly, protect seal outer surface from scratches and deformation.
- Rotate crankshaft manually after assembly, then run low pressure test and check for oil leakage.
Packaging & Delivery
Each seal packed in neutral polybag, then packed into export cartons, normally 300–600 pcs per carton and adjustable on request.
- Lead Time：7–15 working days for this standard stocked spec. MOQ: Typically 100–5,000 pcs; exact quantity, unit price and lead time confirmed on formal quotation.
Samples and small trial lots are available for stocked sizes; sample freight cost confirmed on RFQ.
Send inquiry with dimension in mm, quantity, destination country and working medium for a firm quotation.
FAQ
What is this 115x140x16mm oil seal used for?
This 115x140x16mm brown rear crankshaft oil seal is high-performance aftermarket seal for Weichai WP12 heavy-duty engine rear crankshaft sealing.
What are the full specifications of 115x140x16 rear crankshaft oil seal?
This seal: 115mm inner diameter,140mm housing bore,16mm width. Material optional NBR or FKM brown rubber. Structure: double lip rotary shaft oil seal with metal casing and garter spring for heavy truck engine crankshaft.
Which engine fits 115x140x16 rear crankshaft oil seal?
This oil seal fits Weichai WP12 heavy-duty diesel engine rear crankshaft, widely used for heavy truck engine overhaul and repair. Always verify dimensions and engine model before ordering.
What is the temperature difference between NBR and FKM crankshaft oil seal?
NBR works at -30~100°C, good for normal engine conditions. FKM (Viton) can withstand high temperature up to 200°C for heavy load high-temperature engine working environment.
Is this 115x140x16 rear crankshaft oil seal genuine OEM part?
No. It is an aftermarket replacement crankshaft seal for heavy-duty engine repair and fleet maintenance. Please confirm all dimensions and engine model before purchase.
How to install 115x140x16 rear crankshaft oil seal correctly?
1. Clean shaft and housing bore thoroughly, remove burrs and old seal residue. 2. Lubricate lips and shaft with compatible engine oil, dry installation is forbidden. 3. Press seal evenly with installation tool and keep perpendicular. 4. Never hammer the seal, protect outer surface from scratches. 5. Rotate crankshaft manually and run leakage test.
What is MOQ and lead time for bulk order of 115x140x16 crankshaft oil seals?
MOQ is typically 100–5,000 pcs. Lead Time:7–15 working days. Final price and lead time will be confirmed on formal quotation.
What information do I need to submit for RFQ of this rear crankshaft oil seal?
Send ID×OD×thickness in mm, purchase quantity, destination country and working medium for quotation.
Can you make custom logo and export packaging for this crankshaft oil seal?
Custom logo, marking and export packaging are available. All custom requirements need to be confirmed before order.
What lubricants are compatible with NBR / FKM crankshaft oil seal?
NBR and FKM work well with mineral engine oil. NBR is cost-effective for standard temperature; FKM is preferred for high temperature engine oil environment. Not suitable for ketones and strong polar solvents.