1、Part Number: The engine housing crankcase replacement OE number is 1127 020 3003 for reference, please double check the part number of your item before purchasing. 2、Applicable Model: The crankcase engine housing is especially designed replacement for STIHL 029 039 MS290 MS310 MS390 chainsaw to well and truly meet your demands. 3、Excellent Performance: Superior chainsaw engine housing crankcase after anodized treatment, not easy to fade or rust, excellent shock resistant performance. 4、Durable Materials: Chainsaw engine crankcase assembly is made from carefully selected ABS plastic, maintenance free and durable, not easy to break, has a long service life. 5、Ease to Use: You can install and use the heavy duty chainsaw crankcase engine housing with no changes, it is easy to install without too much hassle, time and effort saving. Item Type: Engine Housing Crankcase Material: ABS OE: 1127 020 3003 Fitment: Replacement for STIHL 029 039 MS290 MS310 MS390 CHAINSAW 1 x Engine Housing Crankcase