MIDWESTWHEEL.COM MEMBER KANSAS CITY 5801 E. Front St. Main ....(816) 471-1552 Parts....(800) 821-7402 JOPLIN 2424 Stephens Blvd. Main ....(417) 717-6022 Parts....(866) 318-9111 SPRINGFIELD 812 Lillian Dr. ∙ Strafford, MO Main ....(417) 429-2476 Parts....(800) 785-3705 SIOUX CITY 1819 4th St. Main ....(712) 252-7969 Parts....(800) 943-3534 CEDAR RAPIDS 200 50th Ave. S.W. Main ....(319) 365-4453 Parts....(800) 332-5435 DES MOINES 1436 E. Ovid Ave. Main ....(515) 265-1491 Parts....(800) 888-0248 CLEAR LAKE 840 Hwy. 18 W. Main ....(641) 357-7101 Parts....(800) 397-5630 DAVENPORT 8502 Northwest Blvd. Main ....(563) 322-2671 Parts....(800) 553-1886 OMAHA 9770 S 142nd Street, Suite 1 Main ....(531) 239-3050 Parts....(800) 322-8757 NEBRASKA IOWA MISSOURI October 1, 2025 (20Baldwin Tech Tips) Tech Tip - Internal Post Seals (R 9/25) Baldwin Filters with Internal Post Seals Below is a sample listing of Baldwin filters with internal post seals BF1274-SP,-SPS BF7932 BF46002 BD7153 BT9367-MPG BD40027 BD7154 BF9860 BF46129 BD7176 BF9885 BF46248 BD7250 BF9920 BF46256 BD7252 BT23543-MPG BF46263 BD7509 B40145 BF46266-SPS BF7766 B40146 BD50000 To view an installation of a filter with an internal post seal, click or scan the QR Code Frequently Asked Questions How do I identify if my filter has an internal post seal? Answer: Step 2 of the pictogram will show oil being applied to two areas of the filter instead of one. This indicates the filter has both a gasket and an internal post seal. Clean oil should be applied to both the gasket and the internal post seal prior to installation. Why am I having difficulty installing a filter with an internal post seal? Answer: The Baldwin filter internal post seal is located closer to the thread rings and is intended to engage the mounting base post first. Step 3 shows to apply upward pressure while twisting to engage thread rings. This extra step ensures a tight seal and prevents the element from coming off the post at high differential pressure which can cause by-pass. Note: This is a new step added to clarify instructions and may not appear on older filter pictograms. Can I use a filter wrench to tighten additional turns after gasket contact? Answer: Each filter will indicate the additional turns after gasket contact. On the example shown, Step 5 specifies to tighten an additional 3/4 turn after gasket contact. It is important to follow the pictogram instructions. While it is not recommended to use a filter wrench, if you need to use a filter wrench to achieve the additional turn after gasket contact, make sure to place the filter wrench as close to the top of the filter near the threads. Do not place the filter wrench at the bottom or in the middle of the filter - doing so can cause damage to the filter.
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