108x135x9 mm Crankshaft Front Oil Seal OEM BH1965E NBR, Automotive Engine Rotary Shaft Seal

Product Overview

The VKEFOT 108 x 135 x 9 mm crankshaft front oil seal (OEM reference BH1965E) is a rotary shaft seal manufactured for the front end of automotive engines. It is supplied as an aftermarket replacement part, dimensionally produced to 108 mm inner diameter, 135 mm outer diameter and 9 mm width, in black NBR (nitrile butadiene rubber) with a rubber-covered outer diameter.

VKEFOT Seals is a seal manufacturer based in Xingtai, Hebei, China. We supply oil seals, O-rings and custom rubber seals to importers, distributors, engine rebuilders and fleet maintenance buyers.

Key Features & Benefits

• Helical return groove (SGR2 design) - the sealing lip carries a spiral return thread that pumps weeping oil back toward the engine side, reducing the risk of leakage at the crankshaft nose.

• Single lip with garter spring - a stainless steel garter spring keeps constant radial force on the shaft, holding lip contact through thermal expansion and normal shaft run-out.

• Rubber-covered outer diameter - the all-rubber OD seals against minor bore imperfections and helps prevent fretting corrosion in aluminium timing covers and housings.

• Built for aftermarket distribution - marking, packaging and labelling can be produced to your private-label specification.

Dimensions & Specification

Specification	Value
Inner diameter (shaft)	108 mm
Outer diameter (bore)	135 mm
Width / height	9 mm
Material	NBR (nitrile butadiene rubber)
Colour	Black
Structure	Single sealing lip, garter spring, rubber-covered OD, helical return groove
OEM reference	BH1965E
Marking on seal	SGR2, 108-135-9, BH1965E
Seal type	Crankshaft front oil seal / rotary shaft seal
Brand	VKEFOT (aftermarket replacement)
Origin	Xingtai, Hebei, China

Dimensions are nominal production values. Confirm against your sample or drawing before ordering.

Material & Construction

The sealing element is moulded from a black NBR compound selected for oil and wear resistance in engine crankcase environments. A metal insert is encapsulated inside the rubber body, and the outer diameter is fully rubber covered rather than exposed steel. The sealing lip is a single lip with a garter spring and a moulded helical return thread.

If your application runs hotter, uses synthetic ester oils, or sees aggressive additive packages, tell us at the enquiry stage - FKM (FPM/Viton) and HNBR compounds can be quoted for the same geometry.

Cross-Reference and Equivalent Part Numbers

Reference BH1965E (also written as SGR2 108-135-9) is used by several aftermarket seal catalogues for the 108 x 135 x 9 mm crankshaft front seal. Equivalents are matched by size, lip design and material, not by brand name. Send us the number stamped on your existing seal plus measured dimensions and we will confirm whether this part is the correct substitute.

Customization and OEM Service

VKEFOT supports production to your specification:

• Private-label packaging and printed logo on the seal where geometry allows
• Alternative compounds: NBR, FKM/FPM, HNBR, ACM, VMQ
• Metal insert and spring material options
• Custom dimensions and non-standard cross-sections from drawing or sample
• Mixed-size consolidated shipments for full-container orders

Submit drawings, samples or a size list and we will confirm tooling requirements and production lead time.

Packaging and Delivery

Standard packing is individual polybag plus inner carton plus export carton, with labels printed to your specification. Freight terms, minimum order quantity and pricing are confirmed in the written quotation - send an RFQ with quantity and destination port.

Frequently Asked Questions

Is this a genuine OE part?
No. VKEFOT manufactures aftermarket replacement seals. BH1965E is the reference used to identify the 108 x 135 x 9 mm size and design; it is not an assertion of OE origin.

What is the minimum order quantity?
MOQ depends on the size and on whether the part is a stocked standard or a made-to-order item. State your required quantity in the RFQ and we will confirm the applicable MOQ and tiered pricing.

Can you supply FKM instead of NBR in this size?
Yes. The same 108 x 135 x 9 mm geometry can be produced in FKM/FPM or HNBR where temperature or fluid conditions require it. Confirm the compound at the enquiry stage.

Do you provide samples?
Samples can be arranged for evaluation. Sample cost and freight are confirmed during the quotation stage.

How fast can you ship?
Exact lead time is confirmed per order and depends on quantity and any customization.

Request a Quotation

To receive a quotation for the 108 x 135 x 9 mm crankshaft front oil seal BH1965E, include:

• Required quantity and destination country or port
• Material requirement (NBR standard, or an alternative compound)
• Any marking, packaging or private-label requirement
• Drawing, sample or measured dimensions where available

Contact VKEFOT Seals, Xingtai, Hebei, China.

Material & Process

NBR compound moulded and bonded to an encapsulated metal insert. Sealing lip is single-lip with a stainless steel garter spring and a moulded helical return thread. Outer diameter fully rubber covered. Each batch is checked for dimensions, hardness, lip geometry and appearance before packing.

Packaging & Delivery

Individual polybag, inner carton, export carton. Labels and barcodes printed to buyer specification; private-label packing available on request.