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Please note that your serial number could be located on the outside frame of your unit.  On the dataplate, there should be your model number, serial number, and possibly even a date of manufacture needed in order to match up the correct parts diagram for your unit accurately.

Here are some examples of your serial number location:

Here is an example of where you can find your corresponding Efco Power serial number to enter for correct parts matching.

Serial Number Product Location Finder

Efco MT-4400

Efco MT-5200

Efco MT-6500

ea38d2b8678c719f73a09f327619fbc5afe795a3_EFC_MT_4100_SP.jpg

13517d6ae1e8163f7b3f6145075e30aee06a245d_MT_4100_SP_IPL.pdf

68787bb00c5549eb77a49c2f8ea7ce193da347f4_EFC_50050073R.jpg

2e770dbe64b84512e2c1d5b22e16dd8a96266ecb_EFC_3960115R.jpg

37e9ec1348458a49a0404fd8ad00fdcd42008f98_Illustration_Carburetor_WT_780F.jpg

6832630fbf2b1555dc0263d57f715189b9b399a1_Illustration_Clutch_and_brake.jpg

0c1af2156fa0f65f2748d0f688bf4731bdc08e38_Illustration_Crankcase.jpg

a4a36043acab309b41944798315a08a1dbc6da17_Illustration_Motor_4.jpg

c15f43053bc26416c488a676aba281a1f7202b0b_Illustration_Starter_assy_2.jpg

4e084f6bcad00b829345c10c1116e6b9e58aaf88_Illustration_Tank_and_handle.jpg

EFCO 132S ChainSaw

EFCO 147 ChainSaw

EFCO 152 ChainSaw

EFCO 156 ChainSaw

EFCO 165 ChainSaw

EFCO 181 ChainSaw

EFCO 264/ 264 Delux/264F Chain Saw

EFCO 931 ChainSaw

EFCO 932 ChainSaw

EFCO 932C ChainSaw

EFCO 935DX ChainSaw

EFCO 940 ChainSaw

EFCO 941 ChainSaw

EFCO 942 ChainSaw

EFCO 946 ChainSaw

EFCO 947 ChainSaw

EFCO 951 ChainSaw

EFCO 952 ChainSaw

EFCO 956 ChainSaw

EFCO 962 ChainSaw

EFCO 970 ChainSaw

EFCO 971 ChainSaw

EFCO 980 ChainSaw

EFCO 981 ChainSaw

EFCO 999/ 999-F ChainSaw

EFCO MT-3500 ChainSaw

EFCO MT-3500-S ChainSaw

EFCO MT-3600 ChainSaw

EFCO MT-3700 ChainSaw

EFCO MT-3750 ChainSaw

EFCO MT-4000 ChainSaw

EFCO MT-4100-SP ChainSaw

EFCO MT-4400 ChainSaw

EFCO MT-5200 ChainSaw

EFCO MT-6500 ChainSaw

EFCO MT-7200 ChainSaw

EFCO MT-8200 ChainSaw

EFCO MTT-3600 ChainSaw

EFCO MT-4100-SP ChainSaw EFCO MT-4100-SP Starter assy

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