HTCR 157x171.2x8mm NBR Rear Crankshaft Oil Seal For Automotive Engine

Model / SKU: VKEFOT-HTCR-157-171.2-8-NBR
This aftermarket HTCR type rear crankshaft oil seal 157x171.2x8mm in brown NBR, designed for automotive and heavy-duty engine crankshaft rear sealing.
Tags: 157x171.2x8mm, HTCR oil seal, rear crankshaft seal, automotive engine seal, brown NBR oil seal
Product photos



Technical summary
Product specifications. Refer to the approved drawing for dimensional tolerances and installation requirements.
| Spec | Value |
|---|---|
| Size (mm) | 157x171.2x8 |
| Material | NBR |
| Structure | HTCR type rear crankshaft oil seal with internal oil return thread |
| Size | 157x171.2x8mm |
Pricing: request a quote (B2B / wholesale).
MOQ / commerce notes: In stock: ships in 1 to 2 days | Not in stock but still in current production: 10 to 15 days | Not in stock and not in production: 25 to 30 days
Product details
This aftermarket HTCR type rear crankshaft oil seal 157x171.2x8mm is a large-diameter rotary shaft seal built for automotive and heavy-duty engine crankshaft rear end sealing.
Buyers sourcing engine crankshaft seals can submit RFQ with dimension, quantity and destination country.
Features & Benefits
HTCR profile with internal helical oil return thread pumps leaked oil back into crankcase, reduces oil seepage under continuous high-speed rotation.
NBR rubber lip delivers good oil resistance and wear resistance under standard engine operating conditions.
Spring energized sealing lip maintains consistent contact pressure on rotating crankshaft for reliable oil retention.
Verify dimension and shaft surface condition before installation, this seal is aftermarket replacement, not genuine OEM part.
Factory standard options, confirm on RFQ.
VKEFOT manufactures oil seals, O-rings and custom rubber seals in Xingtai and exports to Europe, North America, Middle East and Southeast Asia.
Material & Process
Metal skeleton bonded with NBR rubber, internal helical oil return structure, brown finish.
Packaging & Delivery
Standard neutral polybag + export carton.
Samples and small trial lots for stocked sizes; freight confirmed on RFQ.
Send an inquiry with size (ID×OD×height in mm), quantity, destination and duty for a firm lead time.
FAQ
What is HTCR 157x171.2x8mm NBR oil seal used for?
HTCR 157x171.2x8mm brown NBR oil seal is rear crankshaft seal for automotive and heavy-duty engine, used to retain engine oil and prevent leakage at the crankshaft rear end.
What is HTCR type rear crankshaft oil seal?
HTCR oil seal is a rotary shaft seal with internal helical oil return thread, designed for engine crankshaft to pump leaked oil back into crankcase and reduce seepage under rotation.
What material is this HTCR rear crankshaft oil seal?
Made of NBR nitrile rubber with metal skeleton, brown finish, good compatibility with conventional mineral engine oil.
Is HTCR 157x171.2x8mm crankshaft oil seal a genuine OEM part?
No — it is aftermarket replacement rear crankshaft oil seal; verify dimension before purchase.
How to install HTCR 157x171.2x8mm crankshaft oil seal without leakage?
1. Clean crankshaft and housing bore, remove burrs and old seal residue. 2. Protect sealing lip from scratches. 3. Press seal evenly and keep perpendicular. 4. Do not hammer rubber directly. 5. Rotate shaft manually after assembly and check leakage.
What information should I provide for RFQ on this HTCR oil seal?
Submit dimension in mm, quantity, destination country and working medium for quotation.