If you wrench on small-displacement Hyundai/KIA engines, you already know the score: the right gasket kit can save a weekend and a wallet. I’ve been on shop floors where a single coolant seep meant redoing an entire head job. That’s why the Full Gasket Set 20910-2BC01A 209102BB00 Hyundai KIA G4FC 1.4L has been getting attention—quietly, but persistently—from independent rebuilders and fleet techs.

What’s changing in the gasket game
Engines like Hyundai’s G4FC/G4FA 1.4L run hotter and tighter than the stuff from a decade ago. Multi-layer steel (MLS) head gaskets with advanced coatings, better beading, and precise emboss profiles are now baseline. Interestingly, many customers say they’re seeing longer service intervals—provided the kit isn’t bargain-bin. To be honest, that’s where this kit tries to land: OEM fit, aftermarket flexibility.

Core specs at a glance
| Part numbers | 20910-2BC01A, 209102BB00, 209102BB01 |
| Engine fit | Hyundai/KIA G4FC 1.4L; also noted for G4FA, G4ED (verify by VIN) |
| Head gasket | MLS (SUS301/304) with fluoroelastomer/NBR coating, beaded fire ring |
| Temp range | ≈ -40°C to 250°C (real-world use may vary) |
| Set contents | Head, intake/exhaust, valve cover, valve stem seals, plenum, misc. seals/o-rings |
| Origin | 289 Heping East Road, Chang’an District, Shijiazhuang, Hebei, China |

How it’s made (short version)
- Materials: stainless MLS sheets; aramid fiber and graphite composites where needed; FKM/NBR coatings.
- Methods: precision stamping or laser cutting; roll-bead emboss; oven cure for coatings; clean-room packing.
- Testing: ASTM F36 compressibility, ASTM F37 sealability, F38 creep-relaxation; torque-plate flatness checks; salt-spray on coated edges.
- Service life: typically 120,000–200,000 km when installed per manual and with proper RA finish (≈0.4–1.2 μm).
- Industries: independent workshops, remanufacturers, fleet maintenance, export distributors.
Internal bench data (sample lot) showed F37 leak rate ≤ 1×10^-3 mL/s at 0.7 MPa, 150°C; always cross-check against your build conditions.

Where it fits and why techs pick it
Typical use: timing-chain jobs that creep into head removal, overheating recovery, or a light refresh on Accent, i20/i30, Rio, and related models running G4FC/G4FA. Advantages people cite: consistent bead height, tidy valve stem seals, and gaskets that actually match port geometry—sounds basic, but you’d be surprised.
Vendor snapshot (compare before you buy)
| Vendor | Certs | MOQ | Price (approx.) | Warranty |
|---|---|---|---|---|
| Oujia (this kit) | ISO 9001, IATF 16949 (verify docs) | 1 set | Mid-range | 12 months limited |
| Aftermarket A | ISO 9001 | 10 sets | Low | 6 months |
| OEM Dealer | OEM spec | 1 set | High | 12 months |

Customization and install notes
- Options: head gasket thicknesses (≈0.6–1.0 mm), coating types, logo/box branding, VIN-based kitting.
- Install tips: follow Hyundai torque angle sequence; check RA on head/block; replace TTY bolts; re-scan post-warmup.
- Docs: ISO/IATF certificates and PPAP lot data available on request (nice for fleet tenders).
Mini case study: a three-bay shop in Canberra swapped to Full Gasket Set 20910-2BC01A 209102BB00 Hyundai KIA G4FC 1.4L after two comebacks with a no-name kit. Over six months and 14 installs, they reported zero coolant/oil cross-leaks and one minor valve-cover weep (overtorque). Not scientific, but telling.
Bottom line: if you’re rebuilding a G4FC/G4FA, this Full Gasket Set 20910-2BC01A 209102BB00 Hyundai KIA G4FC 1.4L strikes a practical balance—modern MLS construction, sane pricing, and documentation you can actually get your hands on.
Authoritative citations
Oujia has been providing the professional engine parts for 17 years.connecting rod As a reliable supplier and partner, Oujia focuses on various engine parts, especially on gasoline engine parts and on diesel parts for passenger cars.exhaust valve Oujia not only provides high and stable quality and excellent services to our customers, but also provides long-term self- brand creation and OEM services for our overseas customers.engine assembly Our company products mainly include: engine, cylinder head, cylinder block, crankshaft, piston, piston ring, intake valve, exhaust valve, timing kit, gasket set, connecting rod, crankshaft bearings, connecting rod bearings, intake camshafts, exhaust camshafts, water pumps, oil pumps Etc.piston kit focus on the aftermarket, our products are guaranteed for 100,000 kilometers.Our products are exported to Germany, Russia, Brazil, Japan, the United States, and the Middle East. We are a trading company. We choose the most stable quality factories in China to cooperate with. We cooperate with 7,600 factories in China and sell 74,000 products each year. , we have 26,000 models in stock.gasket set manufacturer|super blog