Keep engine oil from weeping past the back of the crankshaft with the Victor Reinz Engine Crankshaft Seal Kit 19-10085-01. This rear crankshaft seal kit installs as a direct-fit replacement on many vehicles with the L6-4.2L engine, among them the 2002-2009 Chevrolet Trailblazer 4.2L, 2002-2009 GMC Envoy 4.2L and 2002-2006 Chevrolet Trailblazer EXT 4.2L; see the Buyer's Guide tab for the full list. The seal body stays stationary in its bore while its lip rides on the rotating crankshaft, sealing engine oil where the crank exits the rear of the block.
Victor Reinz is a trusted OE-quality gasket source for foreign and domestic cars and trucks, and this kit is built to OE-level tolerances. Country of origin: China.
Interchange: BS40678 · JV1668 · BS23070 · 24577096
This part cross-references / interchanges with the following part numbers:
What is the Victor Reinz 19-10085-01?
It is an engine crankshaft seal kit that seals engine oil at the rear of the crankshaft, where the crank exits the back of the block, on the 4.2L L6-4.2L inline-six.
Which vehicles does it fit?
It fits many vehicles with the L6-4.2L, among them the 2002-2009 Chevrolet Trailblazer 4.2L, 2002-2009 GMC Envoy 4.2L and 2002-2006 Chevrolet Trailblazer EXT 4.2L. See the Buyer's Guide tab for the full list.
Is this a front or rear seal kit?
It is for the rear crankshaft position. The sealing surface is molded rubber and metal, seated in a 5.055 in housing bore.
What are signs the rear crankshaft seal may need replacing?
Oil seeping or dripping from the rear of the engine, oil spots under the car near where the engine meets the transmission, and a dropping oil level. Have the leak diagnosed first, since other leaks can look similar.
Which part numbers does this kit replace?
It cross-references BS40678, JV1668, BS23070, and 24577096.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
