McFarlane Spark Plug, Massive Electrode, URHB37E

The McFarlane URHB37E Spark Plug with a massive electrode is engineered to improve engine performance and reliability. This spark plug features an enlarged electrode surface area, which enhances ignition and combustion efficiency. Its robust design ensures durability and longevity, making it an ideal choice for various engine applications. The construction minimizes fouling and optimizes spark delivery, resulting in smoother engine operation.

FEATURES
• Massive electrode for improved ignition efficiency.
• Durable construction for extended service life.
• Minimized fouling for consistent performance.

BENEFITS
• Enhances overall engine performance and responsiveness.
• Reduces maintenance frequency and costs.
• Contributes to smoother and more reliable engine operation.

AIRCRAFT APPLICABILITY
• Continental R9-A, Franklin 6AS-335-A, Franklin 6AS-335-B, Franklin 6V-335-A1A, Franklin 6V-335-A1B, Franklin 6VS-335-A, Franklin 6VS-335-A1, Franklin 6VS-335-B, Franklin 6VS-335-B1, Lycoming IO-320-C1A, Lycoming IO-320-C1B, Lycoming IO-320-F1A, Lycoming LIO-320-C1A, Lycoming AEIO-360-A1A, Lycoming AEIO-360-A1B, Lycoming AEIO-360-A1B6, Lycoming AEIO-360-A1C, Lycoming AEIO-360-A1D, Lycoming AEIO-360-A1D6, Lycoming AEIO-360-A1E, Lycoming AEIO-360-A1E6, Lycoming AEIO-360-A2A, Lycoming AEIO-360-A2B, Lycoming AEIO-360-A2C, Lycoming AEIO-360-A2D6D, Lycoming AEIO-360-A2E, Lycoming AEIO-360-A3B6D, Lycoming HIO-360-E1AD, Lycoming HIO-360-E1BD, Lycoming HIO-360-F1AD, Lycoming IO-360-A1B6, Lycoming IO-360-C1A, Lycoming IO-360-C1F, Lycoming IO-360-F1A, Lycoming IVO-360-A1A, Lycoming LHIO-360-F1AD, Lycoming LTO-360-A1A6D, Lycoming LTO-360-E1A6D, Lycoming TIO-360-A1A, Lycoming TIO-360-A1B, Lycoming TIO-360-A3B6, Lycoming TIO-360-C1A6D, Lycoming TO-360-A1A6D, Lycoming TO-360-C1A6D, Lycoming TO-360-E1A6D, Lycoming TO-360-F1A6D, Lycoming AEIO-390-A1A6, Lycoming AEIO-390-A1B6, Lycoming AEIO-390-A3A6, Lycoming AEIO-390-A3B6, Lycoming IO-390-A1A6, Lycoming IO-390-A1B6, Lycoming IO-390-A3A6, Lycoming IO-390-A3B6, Lycoming IO-390-C1A6, Lycoming IO-390-C1B6, Lycoming IO-390-C3A6, Lycoming IO-390-C3B6, Lycoming O-435-25, Lycoming O-435-25A, Lycoming TVO-435-A1A, Lycoming TVO-435-B1A, Lycoming TVO-435-B1B, Lycoming TVO-435-C1A, Lycoming TVO-435-D1A, Lycoming TVO-435-D1B, Lycoming TVO-435-E1A, Lycoming TVO-435-F1A, Lycoming TVO-435-G1A, Lycoming TVO-435-G1B, Lycoming VO-435-A1A, Lycoming VO-435-A1B, Lycoming VO-435-A1C, Lycoming VO-435-A1D, Lycoming VO-435-A1E, Lycoming VO-435-A1F, Lycoming VO-435-B1A, Lycoming GO-480-G1A6, Lycoming GO-480-G1B6, Lycoming GO-480-G1D6, Lycoming GO-480-G1H6, Lycoming GO-480-G1J6, Lycoming GO-480-G2D6, Lycoming GO-480-G2F6, Lycoming GSO-480-A1A6, Lycoming GSO-480-A2A6, Lycoming GSO-480-B1A6, Lycoming GSO-480-B1B6, Lycoming GSO-480-B1C6, Lycoming GSO-480-B1E6, Lycoming GSO-480-B1J6, Lycoming GSO-480-B2D6, Lycoming IGO-480-A1A6, Lycoming IGO-480-A1B6, Lycoming IGSO-480-A1A6, Lycoming IGSO-480-A1B6, Lycoming IGSO-480-A1C6, Lycoming IGSO-480-A1D6, Lycoming IGSO-480-A1E6, Lycoming IGSO-480-A1F6, Lycoming IGSO-480-A1G6, Lycoming AEIO-540-L1B5, Lycoming AEIO-540-L1B5D, Lycoming AEIO-540-L1D5, Lycoming IGO-540-A1A, Lycoming IGO-540-A1B, Lycoming IGO-540-A1C, Lycoming IGO-540-B1A, Lycoming IGO-540-B1B, Lycoming IGO-540-B1C, Lycoming IGSO-540-A1A, Lycoming IGSO-540-A1C, Lycoming IGSO-540-A1D, Lycoming IGSO-540-A1E, Lycoming IGSO-540-A1F, Lycoming IGSO-540-A1H, Lycoming IGSO-540-B1A, Lycoming IGSO-540-B1C, Lycoming IO-540-AA1A5, Lycoming IO-540-AA1B5, Lycoming IO-540-AC1A5, Lycoming IO-540-AE1A5, Lycoming IO-540-E1A, Lycoming IO-540-E1A5, Lycoming IO-540-E1B5, Lycoming IO-540-E1C5, Lycoming IO-540-E4C5D, Lycoming IO-540-G1A, Lycoming IO-540-G1A5, Lycoming IO-540-G1B5, Lycoming IO-540-G1C5, Lycoming IO-540-G1D5, Lycoming IO-540-G1E5, Lycoming IO-540-G1F5, Lycoming IO-540-J4A5, Lycoming IO-540-K1A5, Lycoming IO-540-K1A5D, Lycoming IO-540-K1B5, Lycoming IO-540-K1B5D, Lycoming IO-540-K1C5, Lycoming IO-540-K1D5, Lycoming IO-540-K1E5, Lycoming IO-540-K1E5D, Lycoming IO-540-K1F5, Lycoming IO-540-K1F5D, Lycoming IO-540-K1G5, Lycoming IO-540-K1G5D, Lycoming IO-540-K1H5, Lycoming IO-540-K1J5, Lycoming IO-540-K1J5D, Lycoming IO-540-K1K5, Lycoming IO-540-K2A5, Lycoming IO-540-M1A5, Lycoming IO-540-M1A5D, Lycoming IO-540-M1B5, Lycoming IO-540-M1B5D, Lycoming IO-540-M1C5, Lycoming IO-540-M2A5D, Lycoming IO-540-N1A5, Lycoming IO-540-N1A5D, Lycoming IO-540-P1A5, Lycoming IO-540-R1A5, Lycoming IO-540-S1A5, Lycoming IO-540-U1A5D, Lycoming IO-540-U1B5D, Lycoming IVO-540-A1A, Lycoming LTIO-540-F2BD, Lycoming LTIO-540-J2B, Lycoming LTIO-540-J2BD, Lycoming LTIO-540-N2BD, Lycoming LTIO-540-R2AD, Lycoming LTIO-540-U2A, Lycoming LTIO-540-V2AD, Lycoming O-540-L3C5D, Lycoming TIO-540-A1A, Lycoming TIO-540-A1B, Lycoming TIO-540-A1C, Lycoming TIO-540-A2A, Lycoming TIO-540-A2B, Lycoming TIO-540-A2C, Lycoming TIO-540-AA1AD, Lycoming TIO-540-AB1AD, Lycoming TIO-540-AB1BD, Lycoming TIO-540-AE2A, Lycoming TIO-540-AF1A, Lycoming TIO-540-AF1B, Lycoming TIO-540-AG1A, Lycoming TIO-540-AH1A, Lycoming TIO-540-AJ1A, Lycoming TIO-540-AK1A, Lycoming TIO-540-C1A, Lycoming TIO-540-E1A, Lycoming TIO-540-F2BD, Lycoming TIO-540-G1A, Lycoming TIO-540-H1A, Lycoming TIO-540-J2B, Lycoming TIO-540-J2BD, Lycoming TIO-540-K1AD, Lycoming TIO-540-N2BD, Lycoming TIO-540-R2AD, Lycoming TIO-540-S1AD, Lycoming TIO-540-T2AD, Lycoming TIO-540-U2A, Lycoming TIO-540-V2AD, Lycoming TIO-540-W2A, Lycoming TIVO-540-A2A, Lycoming TIVO-540-A2B, Lycoming VO-540-A1A, Lycoming VO-540-A2A, Lycoming VO-540-B1A, Lycoming VO-540-B1B, Lycoming VO-540-B1B3, Lycoming VO-540-B1C, Lycoming VO-540-B1D, Lycoming VO-540-B1E, Lycoming VO-540-B1F, Lycoming VO-540-B1G, Lycoming VO-540-B1H3, Lycoming VO-540-B2A, Lycoming VO-540-B2C, Lycoming VO-540-B2D, Lycoming VO-540-B2E, Lycoming VO-540-B2G, Lycoming VO-540-C12A, Lycoming VO-540-C1A, Lycoming VO-540-C1B, Lycoming VO-540-C1C3, Lycoming VO-540-C2A, Lycoming VO-540-C2B, Lycoming VO-540-C2C, Lycoming TIGO-541-E1A, Lycoming TIO-541-A1A, Lycoming TIO-541-E1A4, Lycoming TIO-541-E1B4, Lycoming TIO-541-E1C4, Lycoming TIO-541-E1D4, Lycoming AEIO-580-B1A, Lycoming IO-580-A1A, Lycoming IO-580-B1A, Lycoming IO-720-A1A, Lycoming IO-720-A1B, Lycoming IO-720-A1BD, Lycoming IO-720-B1A, Lycoming IO-720-B1B, Lycoming IO-720-B1BD, Lycoming IO-720-C1B, Lycoming IO-720-C1BD, Lycoming IO-720-D1B, Lycoming IO-720-D1BD, Lycoming IO-720-D1C, Lycoming IO-720-D1CD, Pratt and Whitney R-1340, Pratt and Whitney R-1830, Pratt and Whitney R-2800, Pratt & Whitney CA15, Pratt & Whitney CA17, Pratt & Whitney CA18, Pratt & Whitney CA19, Pratt & Whitney CA3, Pratt & Whitney CA5, Pratt & Whitney CB16, Pratt & Whitney CB17, Pratt & Whitney CB3, Pratt & Whitney CB4, Pratt & Whitney R2800-97, Pratt & Whitney E1, Pratt & Whitney S1C3-G, Pratt & Whitney S1C-G, Pratt & Whitney S3C4-G, Pratt & Whitney S4C4-G, Pratt & Whitney SC3-G, Pratt & Whitney SC-G, Wright Curtiss J-5, Wright Curtiss R-1300-1A, Wright Curtiss R-1300-1B, Wright Curtiss R-1300-3, Wright Curtiss R-1300-3A, Wright Curtiss R-1300-3B, Wright Curtiss R-1300-3C, Wright Curtiss R-1300-3D, Wright Curtiss R-1820-40, Wright Curtiss R-1820-40C, Wright Curtiss R-1820-45, Wright Curtiss R-1820-60, Wright Curtiss R-1820-71, Wright Curtiss R-1820-97, Wright Curtiss R-1820-99, Wright Curtiss R-2600-11, Wright Curtiss R-2600-13, Wright Curtiss R-2600-3, Wright Curtiss R-2600-8, Wright Curtiss R-760, Wright Curtiss R-760A, Wright Curtiss R-760B, Wright Curtiss R-760D, Wright Curtiss R-760E, Wright Curtiss R-760E-1, Wright Curtiss R-760E-2, Wright Curtiss R-760E-T, Wright Curtiss GR-975-C, Wright Curtiss R-975, Wright Curtiss R-975A, Wright Curtiss R-975B, Wright Curtiss R-975C, Wright Curtiss R-975D, Wright Curtiss R-975E, Wright Curtiss R-975E-1, Wright Curtiss R-975E-2, Wright Curtiss R-975E-3, Wright Curtiss R-975-F